Subtract 20/84 from 8/98
8/98 - 20/84 is -23/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 84 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
8/98 = 8 × 6/98 × 6 = 48/588 - Likewise, for the 2nd fraction, since 84 × 7 = 588,
20/84 = 20 × 7/84 × 7 = 140/588 - Subtract the two like fractions:
48/588 - 140/588 = 48 - 140/588 = -92/588 - After reducing the fraction, the answer is -23/147
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