Add 1/9 and 18/16
1st number: 1/9, 2nd number: 1 2/16
1/9 + 18/16 is 89/72.
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,
1/9 = 1 × 16/9 × 16 = 16/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Add the two like fractions:
16/144 + 162/144 = 16 + 162/144 = 178/144 - 178/144 simplified gives 89/72
- So, 1/9 + 18/16 = 89/72
In mixed form: 117/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9+18/16 1/9+36/16 1/18+18/16 1/9+18/32 3/9+18/16 1/9+54/16 1/27+18/16 1/9+18/48 5/9+18/16 1/9+90/16 1/45+18/16 1/9+18/80 7/9+18/16 1/63+18/16