Add 18/9 and 6/7
1st number: 2 0/9, 2nd number: 6/7
18/9 + 6/7 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
18/9 = 18 × 7/9 × 7 = 126/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
6/7 = 6 × 9/7 × 9 = 54/63 - Add the two like fractions:
126/63 + 54/63 = 126 + 54/63 = 180/63 - 180/63 simplified gives 20/7
- So, 18/9 + 6/7 = 20/7
In mixed form: 26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+6/7 18/9+12/7 18/9+6/14 54/9+6/7 18/9+18/7 18/27+6/7 18/9+6/21 90/9+6/7 18/9+30/7 18/45+6/7 18/9+6/35 18/9+42/7 18/63+6/7 18/9+6/49