Subtract 40/98 from 30/84
30/84 - 40/98 is -5/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
30/84 = 30 × 7/84 × 7 = 210/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
40/98 = 40 × 6/98 × 6 = 240/588 - Subtract the two like fractions:
210/588 - 240/588 = 210 - 240/588 = -30/588 - After reducing the fraction, the answer is -5/98
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