Subtract 28/24 from 2/28
1st number: 2/28, 2nd number: 1 4/24
2/28 - 28/24 is -23/21.
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,
2/28 = 2 × 6/28 × 6 = 12/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
28/24 = 28 × 7/24 × 7 = 196/168 - Subtract the two like fractions:
12/168 - 196/168 = 12 - 196/168 = -184/168 - After reducing the fraction, the answer is -23/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28-28/24 2/28-56/24 2/56-28/24 2/28-28/48 6/28-28/24 2/28-84/24 2/84-28/24 2/28-28/72 10/28-28/24 14/28-28/24