Subtract 90/12 from 42/98
1st number: 42/98, 2nd number: 7 6/12
42/98 - 90/12 is -99/14.
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,
42/98 = 42 × 6/98 × 6 = 252/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
90/12 = 90 × 49/12 × 49 = 4410/588 - Subtract the two like fractions:
252/588 - 4410/588 = 252 - 4410/588 = -4158/588 - After reducing the fraction, the answer is -99/14
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