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

[ 1/5 Fraction calculation ]
    Question type: Fractional addition
    Original question: 1/2+1/3
    Solution:
     
1
2
 +  
1
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 1 and denominator 3 of the second fraction by 2
    = 
3
6
 +  
2
6
    Calculation result:
    =
5
6

[ 2/5 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 2/15-2/30
    Solution:
     
2
15
 －  
2
30
    Reduce the subtractor by 2
    = 
2
15
 -  
1
 2 
 30 
15

    = 
2
15
 -  
1
15
Calculation result:
    =
1
15

[ 3/5 Fraction calculation ]
    Question type: Fractional multiplication
    Original question: 64/8*7/9
    Solution:
     
64
8
 ×  
7
9
    Reduce the first multiplier by 8
    = 
8
 64 
 8 
1
 ×  
7
9
    = 8 ×  
7
9
    Calculation result:
    =
56
9

[ 4/5 Fraction calculation ]
    Question type: Fractional addition
    Original question: 3/2+5/4
    Solution:
     
3
2
 +  
5
4
    Divide two fractions with defferent denominators:The denominators of two fractions are 2 and 4 respectively,their least common multiple is 4
    Divide the least common multiple 4 by the denominator 2 of the first addend to get 2
    Multiply the numerator 3 and denominator 2 of the first fraction by 2
    Then divide the least common multiple 4 by the denominator 4 of the second addend to get 1
    Multiply the numerator 5 and denominator 4 of the second fraction by 1
    = 
6
4
 +  
5
4
    Calculation result:
    =
11
4

[ 5/5 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 2/7-1/21
    Solution:
     
2
7
 －  
1
21
    Divide two fractions with defferent denominators:The denominators of two fractions are 7 and 21 respectively,their least common multiple is 21
    Divide the least common multiple 21 by the denominator 7 of the minuend to get 3
    Multiply the numerator 2 and denominator 7 of the subtracted number by 3
    Then divide the least common multiple 21 by the denominator 21 of the subtraction to get 1
    Multiply the subtracted numerator 1 and denominator 21 by 1 at the same time
    = 
6
21
 －  
1
21
Calculation result:
    =
5
21



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