Add 8/6 and 28/84, Solve 1 2/6 + 28/84 as a fraction

Add 8/6 and 28/84

1^st number: 1 2/6, 2^nd number: 28/84

8/6 + 28/84 is 5/3.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 6 × 14 = 84,
8/6 = 8 × 14/6 × 14 = 112/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
28/84 = 28 × 1/84 × 1 = 28/84
Add the two like fractions:
112/84 + 28/84 = 112 + 28/84 = 140/84
140/84 simplified gives 5/3
So, 8/6 + 28/84 = 5/3
In mixed form: 12/3

MathStep (Works offline)

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