Subtract 21/30 from 24/5
1st number: 4 4/5, 2nd number: 21/30
24/5 - 21/30 is 41/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
24/5 = 24 × 6/5 × 6 = 144/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Subtract the two like fractions:
144/30 - 21/30 = 144 - 21/30 = 123/30 - After reducing the fraction, the answer is 41/10
- In mixed form: 41/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/5-21/30 24/5-42/30 24/10-21/30 24/5-21/60 72/5-21/30 24/5-63/30 24/15-21/30 24/5-21/90 24/25-21/30 24/35-21/30