Mathematics
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           ☆1 fraction calculations

[ 1/1 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 4/5-2/3
    Solution:
     
4
5
 －  
2
3
    Divide two fractions with defferent denominators:The denominators of two fractions are 5 and 3 respectively,their least common multiple is 15
    Divide the least common multiple 15 by the denominator 5 of the minuend to get 3
    Multiply the numerator 4 and denominator 5 of the subtracted number by 3
    Then divide the least common multiple 15 by the denominator 3 of the subtraction to get 5
    Multiply the subtracted numerator 2 and denominator 3 by 5 at the same time
    = 
12
15
 －  
10
15
Calculation result:
    =
2
15




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