Subtract 21/49 from 5/16, Solve 5/16

Subtract 21/49 from 5/16

5/16 - 21/49 is -13/112.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 49 is 784

Next, find the equivalent fraction of both fractional numbers with denominator 784
For the 1st fraction, since 16 × 49 = 784,
5/16 = 5 × 49/16 × 49 = 245/784
Likewise, for the 2nd fraction, since 49 × 16 = 784,
21/49 = 21 × 16/49 × 16 = 336/784
Subtract the two like fractions:
245/784 - 336/784 = 245 - 336/784 = -91/784
After reducing the fraction, the answer is -13/112

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