Subtract 21/24 from 25/12
1st number: 2 1/12, 2nd number: 21/24
25/12 - 21/24 is 29/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
25/12 = 25 × 2/12 × 2 = 50/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Subtract the two like fractions:
50/24 - 21/24 = 50 - 21/24 = 29/24 - In mixed form: 15/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-21/24 25/12-42/24 25/24-21/24 25/12-21/48 75/12-21/24 25/12-63/24 25/36-21/24 25/12-21/72 25/60-21/24 25/84-21/24