Add 84/9 and 7/4
1st number: 9 3/9, 2nd number: 1 3/4
84/9 + 7/4 is 133/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
84/9 = 84 × 4/9 × 4 = 336/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
7/4 = 7 × 9/4 × 9 = 63/36 - Add the two like fractions:
336/36 + 63/36 = 336 + 63/36 = 399/36 - 399/36 simplified gives 133/12
- So, 84/9 + 7/4 = 133/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+14/4 84/18+7/4 84/9+7/8 84/9+21/4 84/27+7/4 84/9+7/12 84/9+35/4 84/45+7/4 84/9+7/20 84/9+49/4 84/63+7/4 84/9+7/28