Add 15/9 and 54/16
1st number: 1 6/9, 2nd number: 3 6/16
15/9 + 54/16 is 121/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
15/9 = 15 × 16/9 × 16 = 240/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
54/16 = 54 × 9/16 × 9 = 486/144 - Add the two like fractions:
240/144 + 486/144 = 240 + 486/144 = 726/144 - 726/144 simplified gives 121/24
- So, 15/9 + 54/16 = 121/24
In mixed form: 51/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+54/16 15/18+54/16 15/9+54/32 45/9+54/16 15/27+54/16 15/9+54/48 75/9+54/16 15/45+54/16 15/9+54/80 15/63+54/16