Add 84/24 and 7/9
1st number: 3 12/24, 2nd number: 7/9
84/24 + 7/9 is 77/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
84/24 = 84 × 3/24 × 3 = 252/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
7/9 = 7 × 8/9 × 8 = 56/72 - Add the two like fractions:
252/72 + 56/72 = 252 + 56/72 = 308/72 - 308/72 simplified gives 77/18
- So, 84/24 + 7/9 = 77/18
In mixed form: 45/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+14/9 84/48+7/9 84/24+7/18 84/24+21/9 84/72+7/9 84/24+7/27 84/24+35/9 84/24+7/45 84/24+49/9 84/24+7/63