Subtract 12/24 from 20/7
1st number: 2 6/7, 2nd number: 12/24
20/7 - 12/24 is 33/14.
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,
20/7 = 20 × 24/7 × 24 = 480/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
12/24 = 12 × 7/24 × 7 = 84/168 - Subtract the two like fractions:
480/168 - 84/168 = 480 - 84/168 = 396/168 - After reducing the fraction, the answer is 33/14
- In mixed form: 25/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7-12/24 20/14-12/24 20/7-12/48 60/7-12/24 20/7-36/24 20/21-12/24 20/7-12/72 20/7-60/24 20/35-12/24 20/7-84/24 20/49-12/24