Add 36/27 and 70/15, Solve 1 9/27 + 4 10/15 as a fraction

Add 36/27 and 70/15

1^st number: 1 9/27, 2^nd number: 4 10/15

36/27 + 70/15 is 6/1.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
36/27 = 36 × 5/27 × 5 = 180/135
Likewise, for the 2nd fraction, since 15 × 9 = 135,
70/15 = 70 × 9/15 × 9 = 630/135
Add the two like fractions:
180/135 + 630/135 = 180 + 630/135 = 810/135
810/135 simplified gives 6/1
So, 36/27 + 70/15 = 6/1

MathStep (Works offline)

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