Subtract 42/49 from 2/56
2/56 - 42/49 is -23/28.
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,
2/56 = 2 × 7/56 × 7 = 14/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Subtract the two like fractions:
14/392 - 336/392 = 14 - 336/392 = -322/392 - After reducing the fraction, the answer is -23/28
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