Subtract 20/12 from 7/98
1st number: 7/98, 2nd number: 1 8/12
7/98 - 20/12 is -67/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
7/98 = 7 × 6/98 × 6 = 42/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
20/12 = 20 × 49/12 × 49 = 980/588 - Subtract the two like fractions:
42/588 - 980/588 = 42 - 980/588 = -938/588 - After reducing the fraction, the answer is -67/42
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