Subtract 27/21 from 21/48, Solve 21/48

Subtract 27/21 from 21/48

1^st number: 21/48, 2^nd number: 1 6/21

21/48 - 27/21 is -95/112.

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,
21/48 = 21 × 7/48 × 7 = 147/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
27/21 = 27 × 16/21 × 16 = 432/336
Subtract the two like fractions:
147/336 - 432/336 = 147 - 432/336 = -285/336
After reducing the fraction, the answer is -95/112

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