Subtract 42/24 from 40/7
1st number: 5 5/7, 2nd number: 1 18/24
40/7 - 42/24 is 111/28.
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,
40/7 = 40 × 24/7 × 24 = 960/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
42/24 = 42 × 7/24 × 7 = 294/168 - Subtract the two like fractions:
960/168 - 294/168 = 960 - 294/168 = 666/168 - After reducing the fraction, the answer is 111/28
- In mixed form: 327/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7-42/24 40/7-84/24 40/14-42/24 40/7-42/48 40/21-42/24 40/7-42/72 40/35-42/24 40/49-42/24