Subtract 21/54 from 35/24
1st number: 1 11/24, 2nd number: 21/54
35/24 - 21/54 is 77/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
35/24 = 35 × 9/24 × 9 = 315/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216 - Subtract the two like fractions:
315/216 - 84/216 = 315 - 84/216 = 231/216 - After reducing the fraction, the answer is 77/72
- In mixed form: 15/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-21/54 35/24-42/54 35/48-21/54 35/24-63/54 35/72-21/54