Subtract 21/24 from 75/12
1st number: 6 3/12, 2nd number: 21/24
75/12 - 21/24 is 43/8.
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,
75/12 = 75 × 2/12 × 2 = 150/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Subtract the two like fractions:
150/24 - 21/24 = 150 - 21/24 = 129/24 - After reducing the fraction, the answer is 43/8
- In mixed form: 53/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/12-42/24 75/24-21/24 75/12-21/48 75/12-63/24 75/36-21/24 75/12-21/72 75/60-21/24 75/84-21/24