Subtract 1/72 from 15/56
15/56 - 1/72 is 16/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
15/56 = 15 × 9/56 × 9 = 135/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Subtract the two like fractions:
135/504 - 7/504 = 135 - 7/504 = 128/504 - After reducing the fraction, the answer is 16/63
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