Subtract 42/56 from 40/98
40/98 - 42/56 is -67/196.
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,
40/98 = 40 × 4/98 × 4 = 160/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
42/56 = 42 × 7/56 × 7 = 294/392 - Subtract the two like fractions:
160/392 - 294/392 = 160 - 294/392 = -134/392 - After reducing the fraction, the answer is -67/196
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