Add 24/8 and 14/21, Solve 3 0/8 + 14/21 as a fraction

Add 24/8 and 14/21

1^st number: 3 0/8, 2^nd number: 14/21

24/8 + 14/21 is 11/3.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
24/8 = 24 × 21/8 × 21 = 504/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
14/21 = 14 × 8/21 × 8 = 112/168
Add the two like fractions:
504/168 + 112/168 = 504 + 112/168 = 616/168
616/168 simplified gives 11/3
So, 24/8 + 14/21 = 11/3
In mixed form: 32/3

MathStep (Works offline)

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