Add 6/36 and 90/35, Solve 6/36 + 2 20/35 as a fraction

Add 6/36 and 90/35

1^st number: 6/36, 2^nd number: 2 20/35

6/36 + 90/35 is 115/42.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 36 × 35 = 1260,
6/36 = 6 × 35/36 × 35 = 210/1260
Likewise, for the 2nd fraction, since 35 × 36 = 1260,
90/35 = 90 × 36/35 × 36 = 3240/1260
Add the two like fractions:
210/1260 + 3240/1260 = 210 + 3240/1260 = 3450/1260
3450/1260 simplified gives 115/42
So, 6/36 + 90/35 = 115/42
In mixed form: 231/42

MathStep (Works offline)

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