Add 6/8 and 12/7
1st number: 6/8, 2nd number: 1 5/7
6/8 + 12/7 is 69/28.
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,
12/7 = 12 × 8/7 × 8 = 96/56 - Add the two like fractions:
42/56 + 96/56 = 42 + 96/56 = 138/56 - 138/56 simplified gives 69/28
- So, 6/8 + 12/7 = 69/28
In mixed form: 213/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+12/7 6/8+24/7 6/16+12/7 6/8+12/14 18/8+12/7 6/8+36/7 6/24+12/7 6/8+12/21 30/8+12/7 6/8+60/7 6/40+12/7 6/8+12/35 42/8+12/7 6/8+84/7 6/56+12/7 6/8+12/49