Subtract 3/16 from 21/49
21/49 - 3/16 is 27/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 49 × 16 = 784,
21/49 = 21 × 16/49 × 16 = 336/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
3/16 = 3 × 49/16 × 49 = 147/784 - Subtract the two like fractions:
336/784 - 147/784 = 336 - 147/784 = 189/784 - After reducing the fraction, the answer is 27/112
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