Subtract 1/28 from 1/8
1/8 - 1/28 is 5/56.
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,
1/8 = 1 × 7/8 × 7 = 7/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
1/28 = 1 × 2/28 × 2 = 2/56 - Subtract the two like fractions:
7/56 - 2/56 = 7 - 2/56 = 5/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-1/28 1/8-2/28 1/16-1/28 1/8-1/56 3/8-1/28 1/8-3/28 1/24-1/28 1/8-1/84 5/8-1/28 1/8-5/28 1/40-1/28 7/8-1/28 1/8-7/28 1/56-1/28