Add 9/18 and 9/7
1st number: 9/18, 2nd number: 1 2/7
9/18 + 9/7 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
9/18 = 9 × 7/18 × 7 = 63/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
9/7 = 9 × 18/7 × 18 = 162/126 - Add the two like fractions:
63/126 + 162/126 = 63 + 162/126 = 225/126 - 225/126 simplified gives 25/14
- So, 9/18 + 9/7 = 25/14
In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+18/7 9/36+9/7 9/18+9/14 27/18+9/7 9/18+27/7 9/54+9/7 9/18+9/21 45/18+9/7 9/18+45/7 9/90+9/7 9/18+9/35 63/18+9/7 9/18+63/7 9/18+9/49