Subtract 21/98 from 30/12
1st number: 2 6/12, 2nd number: 21/98
30/12 - 21/98 is 16/7.
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,
30/12 = 30 × 49/12 × 49 = 1470/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
21/98 = 21 × 6/98 × 6 = 126/588 - Subtract the two like fractions:
1470/588 - 126/588 = 1470 - 126/588 = 1344/588 - After reducing the fraction, the answer is 16/7
- In mixed form: 22/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12-21/98 30/12-42/98 30/24-21/98 90/12-21/98 30/12-63/98 30/36-21/98 30/60-21/98 30/84-21/98