Add 36/14 and 20/84, Solve 2 8/14 + 20/84 as a fraction

Add 36/14 and 20/84

1^st number: 2 8/14, 2^nd number: 20/84

36/14 + 20/84 is 59/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
36/14 = 36 × 6/14 × 6 = 216/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84
Add the two like fractions:
216/84 + 20/84 = 216 + 20/84 = 236/84
236/84 simplified gives 59/21
So, 36/14 + 20/84 = 59/21
In mixed form: 217/21

MathStep (Works offline)

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