Subtract 5/24 from 9/21
9/21 - 5/24 is 37/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
9/21 = 9 × 8/21 × 8 = 72/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
5/24 = 5 × 7/24 × 7 = 35/168 - Subtract the two like fractions:
72/168 - 35/168 = 72 - 35/168 = 37/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21-5/24 9/21-10/24 9/42-5/24 9/21-5/48 27/21-5/24 9/21-15/24 9/63-5/24 9/21-5/72 45/21-5/24 9/21-25/24 63/21-5/24 9/21-35/24