Subtract 63/21 from 5/24
1st number: 5/24, 2nd number: 3 0/21
5/24 - 63/21 is -67/24.
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,
63/21 = 63 × 8/21 × 8 = 504/168 - Subtract the two like fractions:
35/168 - 504/168 = 35 - 504/168 = -469/168 - After reducing the fraction, the answer is -67/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/24-63/21 5/48-63/21 5/24-63/42 15/24-63/21 5/72-63/21 25/24-63/21 35/24-63/21