Add 18/9 and 12/7
1st number: 2 0/9, 2nd number: 1 5/7
18/9 + 12/7 is 26/7.
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,
12/7 = 12 × 9/7 × 9 = 108/63 - Add the two like fractions:
126/63 + 108/63 = 126 + 108/63 = 234/63 - 234/63 simplified gives 26/7
- So, 18/9 + 12/7 = 26/7
In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+12/7 18/9+24/7 18/9+12/14 54/9+12/7 18/9+36/7 18/27+12/7 18/9+12/21 90/9+12/7 18/9+60/7 18/45+12/7 18/9+12/35 18/9+84/7 18/63+12/7 18/9+12/49