Add 6/8 and 6/7
6/8 + 6/7 is 45/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
6/8 = 6 × 7/8 × 7 = 42/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
6/7 = 6 × 8/7 × 8 = 48/56 - Add the two like fractions:
42/56 + 48/56 = 42 + 48/56 = 90/56 - 90/56 simplified gives 45/28
- So, 6/8 + 6/7 = 45/28
In mixed form: 117/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+6/7 6/8+12/7 6/16+6/7 6/8+6/14 18/8+6/7 6/8+18/7 6/24+6/7 6/8+6/21 30/8+6/7 6/8+30/7 6/40+6/7 6/8+6/35 42/8+6/7 6/8+42/7 6/56+6/7 6/8+6/49