Add 1/8 and 81/28
1st number: 1/8, 2nd number: 2 25/28
1/8 + 81/28 is 169/56.
Steps for adding 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,
81/28 = 81 × 2/28 × 2 = 162/56 - Add the two like fractions:
7/56 + 162/56 = 7 + 162/56 = 169/56 - So, 1/8 + 81/28 = 169/56
In mixed form: 31/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8+81/28 1/16+81/28 1/8+81/56 3/8+81/28 1/24+81/28 1/8+81/84 5/8+81/28 1/40+81/28 7/8+81/28 1/56+81/28