Subtract 30/84 from 20/98
20/98 - 30/84 is -15/98.
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,
20/98 = 20 × 6/98 × 6 = 120/588 - Likewise, for the 2nd fraction, since 84 × 7 = 588,
30/84 = 30 × 7/84 × 7 = 210/588 - Subtract the two like fractions:
120/588 - 210/588 = 120 - 210/588 = -90/588 - After reducing the fraction, the answer is -15/98
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