Add 8/12 and 35/84, Solve 8/12 + 35/84 as a fraction

Add 8/12 and 35/84

8/12 + 35/84 is 13/12.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
35/84 = 35 × 1/84 × 1 = 35/84
Add the two like fractions:
56/84 + 35/84 = 56 + 35/84 = 91/84
91/84 simplified gives 13/12
So, 8/12 + 35/84 = 13/12
In mixed form: 11/12

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad