Subtract 21/24 from 35/27
1st number: 1 8/27, 2nd number: 21/24
35/27 - 21/24 is 91/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
35/27 = 35 × 8/27 × 8 = 280/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
21/24 = 21 × 9/24 × 9 = 189/216 - Subtract the two like fractions:
280/216 - 189/216 = 280 - 189/216 = 91/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27-21/24 35/27-42/24 35/54-21/24 35/27-21/48 35/27-63/24 35/81-21/24 35/27-21/72