Subtract 21/10 from 48/9
1st number: 5 3/9, 2nd number: 2 1/10
48/9 - 21/10 is 97/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
48/9 = 48 × 10/9 × 10 = 480/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
21/10 = 21 × 9/10 × 9 = 189/90 - Subtract the two like fractions:
480/90 - 189/90 = 480 - 189/90 = 291/90 - After reducing the fraction, the answer is 97/30
- In mixed form: 37/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/9-21/10 48/9-42/10 48/18-21/10 48/9-21/20 48/9-63/10 48/27-21/10 48/9-21/30 48/45-21/10 48/9-21/50 48/63-21/10 48/9-21/70