Add 72/36 and 14/42, Solve 2 0/36 + 14/42 as a fraction

Add 72/36 and 14/42

1^st number: 2 0/36, 2^nd number: 14/42

72/36 + 14/42 is 7/3.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
72/36 = 72 × 7/36 × 7 = 504/252
Likewise, for the 2nd fraction, since 42 × 6 = 252,
14/42 = 14 × 6/42 × 6 = 84/252
Add the two like fractions:
504/252 + 84/252 = 504 + 84/252 = 588/252
588/252 simplified gives 7/3
So, 72/36 + 14/42 = 7/3
In mixed form: 21/3

MathStep (Works offline)

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