Subtract 40/63 from 72/56, Solve 1 16/56

Subtract 40/63 from 72/56

1^st number: 1 16/56, 2^nd number: 40/63

72/56 - 40/63 is 41/63.

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,
72/56 = 72 × 9/56 × 9 = 648/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504
Subtract the two like fractions:
648/504 - 320/504 = 648 - 320/504 = 328/504
After reducing the fraction, the answer is 41/63

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