Subtract 21/98 from 1/56
1/56 - 21/98 is -11/56.
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,
1/56 = 1 × 7/56 × 7 = 7/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Subtract the two like fractions:
7/392 - 84/392 = 7 - 84/392 = -77/392 - After reducing the fraction, the answer is -11/56
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