Subtract 21/49 from 15/16
15/16 - 21/49 is 57/112.
Steps for subtracting fractions
- 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,
15/16 = 15 × 49/16 × 49 = 735/784 - Likewise, for the 2nd fraction, since 49 × 16 = 784,
21/49 = 21 × 16/49 × 16 = 336/784 - Subtract the two like fractions:
735/784 - 336/784 = 735 - 336/784 = 399/784 - After reducing the fraction, the answer is 57/112
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