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

[ 1/1 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 39/100-1/5

    Solution:
     
39
100
 -  
1
5
    Divide two fractions with defferent denominators:The denominators of two fractions are 100 and 5 respectively,their least common multiple is 100
    Divide the least common multiple 100 by the denominator 100 of the minuend to get 1
    Multiply the numerator 39 and denominator 100 of the subtracted number by 1
    Then divide the least common multiple 100 by the denominator 5 of the subtraction to get 20
    Multiply the subtracted numerator 1 and denominator 5 by 20 at the same time
    = 
39
100
 -  
20
100
Calculation result:
    =
19
100



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