Subtract 21/54 from 24/9
1st number: 2 6/9, 2nd number: 21/54
24/9 - 21/54 is 41/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
24/9 = 24 × 6/9 × 6 = 144/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Subtract the two like fractions:
144/54 - 21/54 = 144 - 21/54 = 123/54 - After reducing the fraction, the answer is 41/18
- In mixed form: 25/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/9-21/54 24/9-42/54 24/18-21/54 72/9-21/54 24/9-63/54 24/27-21/54 24/45-21/54 24/63-21/54