Add 1/7 and 81/8
1st number: 1/7, 2nd number: 10 1/8
1/7 + 81/8 is 575/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
1/7 = 1 × 8/7 × 8 = 8/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
81/8 = 81 × 7/8 × 7 = 567/56 - Add the two like fractions:
8/56 + 567/56 = 8 + 567/56 = 575/56 - So, 1/7 + 81/8 = 575/56
In mixed form: 1015/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+81/8 1/14+81/8 1/7+81/16 3/7+81/8 1/21+81/8 1/7+81/24 5/7+81/8 1/35+81/8 1/7+81/40 1/49+81/8 1/7+81/56