Add 9/7 and 16/18
1st number: 1 2/7, 2nd number: 16/18
9/7 + 16/18 is 137/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
9/7 = 9 × 18/7 × 18 = 162/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
16/18 = 16 × 7/18 × 7 = 112/126 - Add the two like fractions:
162/126 + 112/126 = 162 + 112/126 = 274/126 - 274/126 simplified gives 137/63
- So, 9/7 + 16/18 = 137/63
In mixed form: 211/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+16/18 9/7+32/18 9/14+16/18 9/7+16/36 27/7+16/18 9/7+48/18 9/21+16/18 9/7+16/54 45/7+16/18 9/7+80/18 9/35+16/18 9/7+16/90 63/7+16/18 9/49+16/18