Subtract 49/27 from 21/24
1st number: 21/24, 2nd number: 1 22/27
21/24 - 49/27 is -203/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
21/24 = 21 × 9/24 × 9 = 189/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
49/27 = 49 × 8/27 × 8 = 392/216 - Subtract the two like fractions:
189/216 - 392/216 = 189 - 392/216 = -203/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24-49/27 21/24-98/27 21/48-49/27 21/24-49/54 63/24-49/27 21/72-49/27 21/24-49/81