Subtract 12/49 from 3/56
3/56 - 12/49 is -75/392.
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,
3/56 = 3 × 7/56 × 7 = 21/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
12/49 = 12 × 8/49 × 8 = 96/392 - Subtract the two like fractions:
21/392 - 96/392 = 21 - 96/392 = -75/392
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