Subtract 36/63 from 81/56, Solve 1 25/56

Subtract 36/63 from 81/56

1^st number: 1 25/56, 2^nd number: 36/63

81/56 - 36/63 is 7/8.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
81/56 = 81 × 9/56 × 9 = 729/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
36/63 = 36 × 8/63 × 8 = 288/504
Subtract the two like fractions:
729/504 - 288/504 = 729 - 288/504 = 441/504
After reducing the fraction, the answer is 7/8

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