Subtract 21/56 from 10/49
10/49 - 21/56 is -67/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
10/49 = 10 × 8/49 × 8 = 80/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
21/56 = 21 × 7/56 × 7 = 147/392 - Subtract the two like fractions:
80/392 - 147/392 = 80 - 147/392 = -67/392
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