Subtract 7/24 from 4/28
4/28 - 7/24 is -25/168.
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,
4/28 = 4 × 6/28 × 6 = 24/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
7/24 = 7 × 7/24 × 7 = 49/168 - Subtract the two like fractions:
24/168 - 49/168 = 24 - 49/168 = -25/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28-7/24 4/28-14/24 4/56-7/24 4/28-7/48 12/28-7/24 4/28-21/24 4/84-7/24 4/28-7/72 20/28-7/24 4/28-35/24 4/28-49/24