Add 15/24 and 35/27, Solve 15/24 + 1 8/27 as a fraction

Add 15/24 and 35/27

1^st number: 15/24, 2^nd number: 1 8/27

15/24 + 35/27 is 415/216.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 24 × 9 = 216,
15/24 = 15 × 9/24 × 9 = 135/216
Likewise, for the 2nd fraction, since 27 × 8 = 216,
35/27 = 35 × 8/27 × 8 = 280/216
Add the two like fractions:
135/216 + 280/216 = 135 + 280/216 = 415/216
So, 15/24 + 35/27 = 415/216
In mixed form: 1199/216

MathStep (Works offline)

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