Subtract 12/24 from 40/28
1st number: 1 12/28, 2nd number: 12/24
40/28 - 12/24 is 13/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
40/28 = 40 × 6/28 × 6 = 240/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
12/24 = 12 × 7/24 × 7 = 84/168 - Subtract the two like fractions:
240/168 - 84/168 = 240 - 84/168 = 156/168 - After reducing the fraction, the answer is 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-12/24 40/56-12/24 40/28-12/48 40/28-36/24 40/84-12/24 40/28-12/72 40/28-60/24 40/28-84/24