Subtract 4/28 from 7/8
7/8 - 4/28 is 41/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
7/8 = 7 × 7/8 × 7 = 49/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
4/28 = 4 × 2/28 × 2 = 8/56 - Subtract the two like fractions:
49/56 - 8/56 = 49 - 8/56 = 41/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-4/28 7/8-8/28 7/16-4/28 7/8-4/56 21/8-4/28 7/8-12/28 7/24-4/28 7/8-4/84 35/8-4/28 7/8-20/28 7/40-4/28 49/8-4/28 7/56-4/28