Subtract 8/49 from 72/63, Solve 1 9/63

Subtract 8/49 from 72/63

1^st number: 1 9/63, 2^nd number: 8/49

72/63 - 8/49 is 48/49.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 63 × 7 = 441,
72/63 = 72 × 7/63 × 7 = 504/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
8/49 = 8 × 9/49 × 9 = 72/441
Subtract the two like fractions:
504/441 - 72/441 = 504 - 72/441 = 432/441
After reducing the fraction, the answer is 48/49

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