Add 84/9 and 12/16
1st number: 9 3/9, 2nd number: 12/16
84/9 + 12/16 is 121/12.
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,
84/9 = 84 × 16/9 × 16 = 1344/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144 - Add the two like fractions:
1344/144 + 108/144 = 1344 + 108/144 = 1452/144 - 1452/144 simplified gives 121/12
- So, 84/9 + 12/16 = 121/12
In mixed form: 101/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+24/16 84/18+12/16 84/9+12/32 84/9+36/16 84/27+12/16 84/9+12/48 84/9+60/16 84/45+12/16 84/9+12/80 84/9+84/16 84/63+12/16