Subtract 7/72 from 75/40
1st number: 1 35/40, 2nd number: 7/72
75/40 - 7/72 is 16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
75/40 = 75 × 9/40 × 9 = 675/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
7/72 = 7 × 5/72 × 5 = 35/360 - Subtract the two like fractions:
675/360 - 35/360 = 675 - 35/360 = 640/360 - After reducing the fraction, the answer is 16/9
- In mixed form: 17/9
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