Add 27/10 and 25/36, Solve 2 7/10 + 25/36 as a fraction

Add 27/10 and 25/36

1^st number: 2 7/10, 2^nd number: 25/36

27/10 + 25/36 is 611/180.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 10 × 18 = 180,
27/10 = 27 × 18/10 × 18 = 486/180
Likewise, for the 2nd fraction, since 36 × 5 = 180,
25/36 = 25 × 5/36 × 5 = 125/180
Add the two like fractions:
486/180 + 125/180 = 486 + 125/180 = 611/180
So, 27/10 + 25/36 = 611/180
In mixed form: 371/180

MathStep (Works offline)

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