Subtract 40/72 from 7/10
7/10 - 40/72 is 13/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
7/10 = 7 × 36/10 × 36 = 252/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Subtract the two like fractions:
252/360 - 200/360 = 252 - 200/360 = 52/360 - After reducing the fraction, the answer is 13/90
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