Subtract 40/12 from 63/98
1st number: 63/98, 2nd number: 3 4/12
63/98 - 40/12 is -113/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
63/98 = 63 × 6/98 × 6 = 378/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
40/12 = 40 × 49/12 × 49 = 1960/588 - Subtract the two like fractions:
378/588 - 1960/588 = 378 - 1960/588 = -1582/588 - After reducing the fraction, the answer is -113/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/98-80/12 63/98-40/24 63/98-40/36 63/98-40/60 63/98-40/84