Add 27/24 and 16/21, Solve 1 3/24 + 16/21 as a fraction

Add 27/24 and 16/21

1^st number: 1 3/24, 2^nd number: 16/21

27/24 + 16/21 is 317/168.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
27/24 = 27 × 7/24 × 7 = 189/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
16/21 = 16 × 8/21 × 8 = 128/168
Add the two like fractions:
189/168 + 128/168 = 189 + 128/168 = 317/168
So, 27/24 + 16/21 = 317/168
In mixed form: 1149/168

MathStep (Works offline)

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