Add 30/15 and 27/7, Solve 2 0/15 + 3 6/7 as a fraction

Add 30/15 and 27/7

1^st number: 2 0/15, 2^nd number: 3 6/7

30/15 + 27/7 is 41/7.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
30/15 = 30 × 7/15 × 7 = 210/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
27/7 = 27 × 15/7 × 15 = 405/105
Add the two like fractions:
210/105 + 405/105 = 210 + 405/105 = 615/105
615/105 simplified gives 41/7
So, 30/15 + 27/7 = 41/7
In mixed form: 56/7

MathStep (Works offline)

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