Add 7/84 and 28/27
1st number: 7/84, 2nd number: 1 1/27
7/84 + 28/27 is 121/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
7/84 = 7 × 9/84 × 9 = 63/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
28/27 = 28 × 28/27 × 28 = 784/756 - Add the two like fractions:
63/756 + 784/756 = 63 + 784/756 = 847/756 - 847/756 simplified gives 121/108
- So, 7/84 + 28/27 = 121/108
In mixed form: 113/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+28/27 7/84+56/27 7/84+28/54 21/84+28/27 7/84+84/27 7/84+28/81 35/84+28/27 49/84+28/27