Add 84/18 and 35/9
1st number: 4 12/18, 2nd number: 3 8/9
84/18 + 35/9 is 77/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
84/18 = 84 × 1/18 × 1 = 84/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
35/9 = 35 × 2/9 × 2 = 70/18 - Add the two like fractions:
84/18 + 70/18 = 84 + 70/18 = 154/18 - 154/18 simplified gives 77/9
- So, 84/18 + 35/9 = 77/9
In mixed form: 85/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+70/9 84/36+35/9 84/18+35/18 84/54+35/9 84/18+35/27 84/90+35/9 84/18+35/45 84/18+35/63