Subtract 28/98 from 7/56
7/56 - 28/98 is -9/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
7/56 = 7 × 7/56 × 7 = 49/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
28/98 = 28 × 4/98 × 4 = 112/392 - Subtract the two like fractions:
49/392 - 112/392 = 49 - 112/392 = -63/392 - After reducing the fraction, the answer is -9/56
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