Subtract 16/49 from 21/56
21/56 - 16/49 is 19/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
21/56 = 21 × 7/56 × 7 = 147/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
16/49 = 16 × 8/49 × 8 = 128/392 - Subtract the two like fractions:
147/392 - 128/392 = 147 - 128/392 = 19/392
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