Mathematics
         
语言:中文    Language:English
Fractions calculation:
    Enter the fractions calculation formula directly and click the "Next" button to get the calculation answer.
    It does not support mathematical functions (including trigonometric functions) and can only calculate the addition, subtraction, multiplication and division of two fractions. The fraction line is indicated by "/".
    Current location:Mathematical operation > History of fraction calculation > Answer

    Overview: 7 questions will be solved this time.Among them
           ☆7 fraction calculations

[ 1/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 1/2+2/3

    Solution:
     
1
2
 +  
2
3
    Divide two fractions with defferent denominators:The denominators of two fractions are 2 and 3 respectively,their least common multiple is 6
    Divide the least common multiple 6 by the denominator 2 of the first addend to get 3
    Multiply the numerator 1 and denominator 2 of the first fraction by 3
    Then divide the least common multiple 6 by the denominator 3 of the second addend to get 2
    Multiply the numerator 2 and denominator 3 of the second fraction by 2
    = 
3
6
 +  
4
6
    Calculation result:
    =
7
6

[ 2/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 3/8+5/24

    Solution:
     
3
8
 +  
5
24
    Divide two fractions with defferent denominators:The denominators of two fractions are 8 and 24 respectively,their least common multiple is 24
    Divide the least common multiple 24 by the denominator 8 of the first addend to get 3
    Multiply the numerator 3 and denominator 8 of the first fraction by 3
    Then divide the least common multiple 24 by the denominator 24 of the second addend to get 1
    Multiply the numerator 5 and denominator 24 of the second fraction by 1
    = 
9
24
 +  
5
24
    Calculation result:
    =
14
24
    The calculation result is reduced by 2
    =
7
 14 
 24 
12

    =
7
12

[ 3/7 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 2/3-1/4

    Solution:
     
2
3
 -  
1
4
    Divide two fractions with defferent denominators:The denominators of two fractions are 3 and 4 respectively,their least common multiple is 12
    Divide the least common multiple 12 by the denominator 3 of the minuend to get 4
    Multiply the numerator 2 and denominator 3 of the subtracted number by 4
    Then divide the least common multiple 12 by the denominator 4 of the subtraction to get 3
    Multiply the subtracted numerator 1 and denominator 4 by 3 at the same time
    = 
8
12
 -  
3
12
Calculation result:
    =
5
12

[ 4/7 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 4/9-1/3

    Solution:
     
4
9
 -  
1
3
    Divide two fractions with defferent denominators:The denominators of two fractions are 9 and 3 respectively,their least common multiple is 9
    Divide the least common multiple 9 by the denominator 9 of the minuend to get 1
    Multiply the numerator 4 and denominator 9 of the subtracted number by 1
    Then divide the least common multiple 9 by the denominator 3 of the subtraction to get 3
    Multiply the subtracted numerator 1 and denominator 3 by 3 at the same time
    = 
4
9
 -  
3
9
Calculation result:
    =
1
9

[ 5/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 1/12+1/4

    Solution:
     
1
12
 +  
1
4
    Divide two fractions with defferent denominators:The denominators of two fractions are 12 and 4 respectively,their least common multiple is 12
    Divide the least common multiple 12 by the denominator 12 of the first addend to get 1
    Multiply the numerator 1 and denominator 12 of the first fraction by 1
    Then divide the least common multiple 12 by the denominator 4 of the second addend to get 3
    Multiply the numerator 1 and denominator 4 of the second fraction by 3
    = 
1
12
 +  
3
12
    Calculation result:
    =
4
12
    The calculation result is reduced by 4
    =
1
 4 
 12 
3

    =
1
3

[ 6/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 3/4+2/5

    Solution:
     
3
4
 +  
2
5
    Divide two fractions with defferent denominators:The denominators of two fractions are 4 and 5 respectively,their least common multiple is 20
    Divide the least common multiple 20 by the denominator 4 of the first addend to get 5
    Multiply the numerator 3 and denominator 4 of the first fraction by 5
    Then divide the least common multiple 20 by the denominator 5 of the second addend to get 4
    Multiply the numerator 2 and denominator 5 of the second fraction by 4
    = 
15
20
 +  
8
20
    Calculation result:
    =
23
20

[ 7/7 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 4/9-5/18

    Solution:
     
4
9
 -  
5
18
    Divide two fractions with defferent denominators:The denominators of two fractions are 9 and 18 respectively,their least common multiple is 18
    Divide the least common multiple 18 by the denominator 9 of the minuend to get 2
    Multiply the numerator 4 and denominator 9 of the subtracted number by 2
    Then divide the least common multiple 18 by the denominator 18 of the subtraction to get 1
    Multiply the subtracted numerator 5 and denominator 18 by 1 at the same time
    = 
8
18
 -  
5
18
Calculation result:
    =
3
18
    The calculation result is reduced by 3
    =
1
 3 
 18 
6

    =
1
6


>>注:本次最多计算 7 道题。




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