Add 9/14 and 15/9, Solve 9/14 + 1 6/9 as a fraction

Add 9/14 and 15/9

1^st number: 9/14, 2^nd number: 1 6/9

9/14 + 15/9 is 97/42.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
9/14 = 9 × 9/14 × 9 = 81/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
15/9 = 15 × 14/9 × 14 = 210/126
Add the two like fractions:
81/126 + 210/126 = 81 + 210/126 = 291/126
291/126 simplified gives 97/42
So, 9/14 + 15/9 = 97/42
In mixed form: 213/42

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad