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

Subtract 9/48 from 15/21

15/21 - 9/48 is 59/112.

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

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 21 × 16 = 336,
15/21 = 15 × 16/21 × 16 = 240/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
9/48 = 9 × 7/48 × 7 = 63/336
Subtract the two like fractions:
240/336 - 63/336 = 240 - 63/336 = 177/336
After reducing the fraction, the answer is 59/112

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