Subtract 63/84 from 15/98
15/98 - 63/84 is -117/196.
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,
15/98 = 15 × 6/98 × 6 = 90/588 - Likewise, for the 2nd fraction, since 84 × 7 = 588,
63/84 = 63 × 7/84 × 7 = 441/588 - Subtract the two like fractions:
90/588 - 441/588 = 90 - 441/588 = -351/588 - After reducing the fraction, the answer is -117/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98-63/84 45/98-63/84 75/98-63/84