Add 84/4 and 7/9
1st number: 21 0/4, 2nd number: 7/9
84/4 + 7/9 is 196/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
84/4 = 84 × 9/4 × 9 = 756/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
7/9 = 7 × 4/9 × 4 = 28/36 - Add the two like fractions:
756/36 + 28/36 = 756 + 28/36 = 784/36 - 784/36 simplified gives 196/9
- So, 84/4 + 7/9 = 196/9
In mixed form: 217/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+14/9 84/8+7/9 84/4+7/18 84/4+21/9 84/12+7/9 84/4+7/27 84/4+35/9 84/20+7/9 84/4+7/45 84/4+49/9 84/28+7/9 84/4+7/63