Subtract 18/24 from 8/7
1st number: 1 1/7, 2nd number: 18/24
8/7 - 18/24 is 11/28.
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,
18/24 = 18 × 7/24 × 7 = 126/168 - Subtract the two like fractions:
192/168 - 126/168 = 192 - 126/168 = 66/168 - After reducing the fraction, the answer is 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7-18/24 8/7-36/24 8/14-18/24 8/7-18/48 24/7-18/24 8/7-54/24 8/21-18/24 8/7-18/72 40/7-18/24 8/7-90/24 8/35-18/24 56/7-18/24 8/49-18/24