Subtract 45/84 from 18/98
18/98 - 45/84 is -69/196.
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,
18/98 = 18 × 6/98 × 6 = 108/588 - Likewise, for the 2nd fraction, since 84 × 7 = 588,
45/84 = 45 × 7/84 × 7 = 315/588 - Subtract the two like fractions:
108/588 - 315/588 = 108 - 315/588 = -207/588 - After reducing the fraction, the answer is -69/196
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