Subtract 6/21 from 5/24
5/24 - 6/21 is -13/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
5/24 = 5 × 7/24 × 7 = 35/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
6/21 = 6 × 8/21 × 8 = 48/168 - Subtract the two like fractions:
35/168 - 48/168 = 35 - 48/168 = -13/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/24-6/21 5/24-12/21 5/48-6/21 5/24-6/42 15/24-6/21 5/24-18/21 5/72-6/21 5/24-6/63 25/24-6/21 5/24-30/21 35/24-6/21 5/24-42/21