Subtract 10/28 from 81/8
1st number: 10 1/8, 2nd number: 10/28
81/8 - 10/28 is 547/56.
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,
81/8 = 81 × 7/8 × 7 = 567/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
10/28 = 10 × 2/28 × 2 = 20/56 - Subtract the two like fractions:
567/56 - 20/56 = 567 - 20/56 = 547/56 - In mixed form: 943/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/8-20/28 81/16-10/28 81/8-10/56 81/8-30/28 81/24-10/28 81/8-10/84 81/8-50/28 81/40-10/28 81/8-70/28 81/56-10/28