Subtract 63/56 from 42/98
1st number: 42/98, 2nd number: 1 7/56
42/98 - 63/56 is -39/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
42/98 = 42 × 4/98 × 4 = 168/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
63/56 = 63 × 7/56 × 7 = 441/392 - Subtract the two like fractions:
168/392 - 441/392 = 168 - 441/392 = -273/392 - After reducing the fraction, the answer is -39/56
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