Subtract 6/24 from 21/6
1st number: 3 3/6, 2nd number: 6/24
21/6 - 6/24 is 13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
21/6 = 21 × 4/6 × 4 = 84/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
6/24 = 6 × 1/24 × 1 = 6/24 - Subtract the two like fractions:
84/24 - 6/24 = 84 - 6/24 = 78/24 - After reducing the fraction, the answer is 13/4
- In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6-6/24 21/6-12/24 21/12-6/24 21/6-6/48 63/6-6/24 21/6-18/24 21/18-6/24 21/6-6/72 21/6-30/24 21/30-6/24 21/6-42/24 21/42-6/24