Add 27/15 and 27/6, Solve 1 12/15 + 4 3/6 as a fraction

Add 27/15 and 27/6

1^st number: 1 12/15, 2^nd number: 4 3/6

27/15 + 27/6 is 63/10.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30
Likewise, for the 2nd fraction, since 6 × 5 = 30,
27/6 = 27 × 5/6 × 5 = 135/30
Add the two like fractions:
54/30 + 135/30 = 54 + 135/30 = 189/30
189/30 simplified gives 63/10
So, 27/15 + 27/6 = 63/10
In mixed form: 63/10

MathStep (Works offline)

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