Subtract 21/15 from 98/4
1st number: 24 2/4, 2nd number: 1 6/15
98/4 - 21/15 is 231/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
98/4 = 98 × 15/4 × 15 = 1470/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
21/15 = 21 × 4/15 × 4 = 84/60 - Subtract the two like fractions:
1470/60 - 84/60 = 1470 - 84/60 = 1386/60 - After reducing the fraction, the answer is 231/10
- In mixed form: 231/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4-42/15 98/8-21/15 98/4-21/30 98/4-63/15 98/12-21/15 98/4-21/45 98/20-21/15 98/4-21/75 98/28-21/15