Subtract 75/98 from 63/84
63/84 - 75/98 is -3/196.
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,
63/84 = 63 × 7/84 × 7 = 441/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
75/98 = 75 × 6/98 × 6 = 450/588 - Subtract the two like fractions:
441/588 - 450/588 = 441 - 450/588 = -9/588 - After reducing the fraction, the answer is -3/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: