Subtract 21/12 from 3/98
1st number: 3/98, 2nd number: 1 9/12
3/98 - 21/12 is -337/196.
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,
3/98 = 3 × 6/98 × 6 = 18/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Subtract the two like fractions:
18/588 - 1029/588 = 18 - 1029/588 = -1011/588 - After reducing the fraction, the answer is -337/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98-21/12 3/98-42/12 3/98-21/24 9/98-21/12 3/98-63/12 3/98-21/36 15/98-21/12 3/98-21/60 21/98-21/12 3/98-21/84