Subtract 1/24 from 1/28
1/28 - 1/24 is -1/168.
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,
1/28 = 1 × 6/28 × 6 = 6/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168 - Subtract the two like fractions:
6/168 - 7/168 = 6 - 7/168 = -1/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-1/24 1/28-2/24 1/56-1/24 1/28-1/48 3/28-1/24 1/28-3/24 1/84-1/24 1/28-1/72 5/28-1/24 1/28-5/24 7/28-1/24 1/28-7/24