Subtract 56/63 from 27/15, Solve 1 12/15

Subtract 56/63 from 27/15

1^st number: 1 12/15, 2^nd number: 56/63

27/15 - 56/63 is 41/45.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 15 × 21 = 315,
27/15 = 27 × 21/15 × 21 = 567/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
56/63 = 56 × 5/63 × 5 = 280/315
Subtract the two like fractions:
567/315 - 280/315 = 567 - 280/315 = 287/315
After reducing the fraction, the answer is 41/45

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