Add 7/36 and 81/7, Solve 7/36 + 11 4/7 as a fraction

Add 7/36 and 81/7

1^st number: 7/36, 2^nd number: 11 4/7

7/36 + 81/7 is 2965/252.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252
Likewise, for the 2nd fraction, since 7 × 36 = 252,
81/7 = 81 × 36/7 × 36 = 2916/252
Add the two like fractions:
49/252 + 2916/252 = 49 + 2916/252 = 2965/252
So, 7/36 + 81/7 = 2965/252
In mixed form: 11193/252

MathStep (Works offline)

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