Subtract 15/98 from 21/12
1st number: 1 9/12, 2nd number: 15/98
21/12 - 15/98 is 313/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
15/98 = 15 × 6/98 × 6 = 90/588 - Subtract the two like fractions:
1029/588 - 90/588 = 1029 - 90/588 = 939/588 - After reducing the fraction, the answer is 313/196
- In mixed form: 1117/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12-15/98 21/12-30/98 21/24-15/98 63/12-15/98 21/12-45/98 21/36-15/98 21/12-75/98 21/60-15/98 21/84-15/98