Add 1/9 and 84/12
1st number: 1/9, 2nd number: 7 0/12
1/9 + 84/12 is 64/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
1/9 = 1 × 4/9 × 4 = 4/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
84/12 = 84 × 3/12 × 3 = 252/36 - Add the two like fractions:
4/36 + 252/36 = 4 + 252/36 = 256/36 - 256/36 simplified gives 64/9
- So, 1/9 + 84/12 = 64/9
In mixed form: 71/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9+84/12 1/18+84/12 1/9+84/24 3/9+84/12 1/27+84/12 1/9+84/36 5/9+84/12 1/45+84/12 1/9+84/60 7/9+84/12 1/63+84/12