Subtract 8/7 from 3/24
1st number: 3/24, 2nd number: 1 1/7
3/24 - 8/7 is -57/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
3/24 = 3 × 7/24 × 7 = 21/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
8/7 = 8 × 24/7 × 24 = 192/168 - Subtract the two like fractions:
21/168 - 192/168 = 21 - 192/168 = -171/168 - After reducing the fraction, the answer is -57/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24-8/7 3/24-16/7 3/48-8/7 3/24-8/14 9/24-8/7 3/24-24/7 3/72-8/7 3/24-8/21 15/24-8/7 3/24-40/7 3/24-8/35 21/24-8/7 3/24-56/7 3/24-8/49