Subtract 9/21 from 63/48, Solve 1 15/48

Subtract 9/21 from 63/48

1^st number: 1 15/48, 2^nd number: 9/21

63/48 - 9/21 is 99/112.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
63/48 = 63 × 7/48 × 7 = 441/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
9/21 = 9 × 16/21 × 16 = 144/336
Subtract the two like fractions:
441/336 - 144/336 = 441 - 144/336 = 297/336
After reducing the fraction, the answer is 99/112

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