Subtract 90/49 from 18/12
1st number: 1 6/12, 2nd number: 1 41/49
18/12 - 90/49 is -33/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
18/12 = 18 × 49/12 × 49 = 882/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
90/49 = 90 × 12/49 × 12 = 1080/588 - Subtract the two like fractions:
882/588 - 1080/588 = 882 - 1080/588 = -198/588 - After reducing the fraction, the answer is -33/98
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