Subtract 28/24 from 8/7
1st number: 1 1/7, 2nd number: 1 4/24
8/7 - 28/24 is -1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
8/7 = 8 × 24/7 × 24 = 192/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
28/24 = 28 × 7/24 × 7 = 196/168 - Subtract the two like fractions:
192/168 - 196/168 = 192 - 196/168 = -4/168 - After reducing the fraction, the answer is -1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7-28/24 8/7-56/24 8/14-28/24 8/7-28/48 24/7-28/24 8/7-84/24 8/21-28/24 8/7-28/72 40/7-28/24 8/35-28/24 56/7-28/24 8/49-28/24