Subtract 90/49 from 56/84
1st number: 56/84, 2nd number: 1 41/49
56/84 - 90/49 is -172/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
56/84 = 56 × 7/84 × 7 = 392/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
90/49 = 90 × 12/49 × 12 = 1080/588 - Subtract the two like fractions:
392/588 - 1080/588 = 392 - 1080/588 = -688/588 - After reducing the fraction, the answer is -172/147
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