Subtract 98/56 from 21/20
1st number: 1 1/20, 2nd number: 1 42/56
21/20 - 98/56 is -7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
21/20 = 21 × 14/20 × 14 = 294/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
98/56 = 98 × 5/56 × 5 = 490/280 - Subtract the two like fractions:
294/280 - 490/280 = 294 - 490/280 = -196/280 - After reducing the fraction, the answer is -7/10
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