Add 7/15 and 6/7
7/15 + 6/7 is 139/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
7/15 = 7 × 7/15 × 7 = 49/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
6/7 = 6 × 15/7 × 15 = 90/105 - Add the two like fractions:
49/105 + 90/105 = 49 + 90/105 = 139/105 - So, 7/15 + 6/7 = 139/105
In mixed form: 134/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+6/7 7/15+12/7 7/30+6/7 7/15+6/14 21/15+6/7 7/15+18/7 7/45+6/7 7/15+6/21 35/15+6/7 7/15+30/7 7/75+6/7 7/15+6/35 49/15+6/7 7/15+42/7 7/15+6/49