Subtract 3/24 from 21/3
1st number: 7 0/3, 2nd number: 3/24
21/3 - 3/24 is 55/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
21/3 = 21 × 8/3 × 8 = 168/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
3/24 = 3 × 1/24 × 1 = 3/24 - Subtract the two like fractions:
168/24 - 3/24 = 168 - 3/24 = 165/24 - After reducing the fraction, the answer is 55/8
- In mixed form: 67/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3-3/24 21/3-6/24 21/6-3/24 21/3-3/48 63/3-3/24 21/3-9/24 21/9-3/24 21/3-3/72 21/3-15/24 21/15-3/24 21/3-21/24