Add 25/8 and 81/28
1st number: 3 1/8, 2nd number: 2 25/28
25/8 + 81/28 is 337/56.
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,
25/8 = 25 × 7/8 × 7 = 175/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
81/28 = 81 × 2/28 × 2 = 162/56 - Add the two like fractions:
175/56 + 162/56 = 175 + 162/56 = 337/56 - So, 25/8 + 81/28 = 337/56
In mixed form: 61/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+81/28 25/16+81/28 25/8+81/56 75/8+81/28 25/24+81/28 25/8+81/84 25/40+81/28 25/56+81/28