Subtract 21/18 from 24/6
1st number: 4 0/6, 2nd number: 1 3/18
24/6 - 21/18 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
24/6 = 24 × 3/6 × 3 = 72/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
21/18 = 21 × 1/18 × 1 = 21/18 - Subtract the two like fractions:
72/18 - 21/18 = 72 - 21/18 = 51/18 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/6-21/18 24/6-42/18 24/12-21/18 24/6-21/36 72/6-21/18 24/6-63/18 24/18-21/18 24/6-21/54 24/30-21/18 24/6-21/90 24/42-21/18