Subtract 21/10 from 98/3
1st number: 32 2/3, 2nd number: 2 1/10
98/3 - 21/10 is 917/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
98/3 = 98 × 10/3 × 10 = 980/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Subtract the two like fractions:
980/30 - 63/30 = 980 - 63/30 = 917/30 - In mixed form: 3017/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/3-42/10 98/6-21/10 98/3-21/20 98/3-63/10 98/9-21/10 98/3-21/30 98/15-21/10 98/3-21/50 98/21-21/10 98/3-21/70