Subtract 21/30 from 48/24
1st number: 2 0/24, 2nd number: 21/30
48/24 - 21/30 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
48/24 = 48 × 5/24 × 5 = 240/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
21/30 = 21 × 4/30 × 4 = 84/120 - Subtract the two like fractions:
240/120 - 84/120 = 240 - 84/120 = 156/120 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/24-21/30 48/24-42/30 48/24-21/60 48/24-63/30 48/72-21/30 48/24-21/90