Add 15/6 and 40/35, Solve 2 3/6 + 1 5/35 as a fraction

Add 15/6 and 40/35

1^st number: 2 3/6, 2^nd number: 1 5/35

15/6 + 40/35 is 51/14.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 35 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
15/6 = 15 × 35/6 × 35 = 525/210
Likewise, for the 2nd fraction, since 35 × 6 = 210,
40/35 = 40 × 6/35 × 6 = 240/210
Add the two like fractions:
525/210 + 240/210 = 525 + 240/210 = 765/210
765/210 simplified gives 51/14
So, 15/6 + 40/35 = 51/14
In mixed form: 39/14

MathStep (Works offline)

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