Add 15/16 and 9/18
15/16 + 9/18 is 23/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
15/16 = 15 × 9/16 × 9 = 135/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
9/18 = 9 × 8/18 × 8 = 72/144 - Add the two like fractions:
135/144 + 72/144 = 135 + 72/144 = 207/144 - 207/144 simplified gives 23/16
- So, 15/16 + 9/18 = 23/16
In mixed form: 17/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16+9/18 15/32+9/18 15/16+9/36 45/16+9/18 15/16+27/18 15/48+9/18 15/16+9/54 75/16+9/18 15/16+45/18 15/80+9/18 15/16+9/90 15/16+63/18