Add 24/16 and 10/21, Solve 1 8/16 + 10/21 as a fraction

Add 24/16 and 10/21

1^st number: 1 8/16, 2^nd number: 10/21

24/16 + 10/21 is 83/42.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
24/16 = 24 × 21/16 × 21 = 504/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
10/21 = 10 × 16/21 × 16 = 160/336
Add the two like fractions:
504/336 + 160/336 = 504 + 160/336 = 664/336
664/336 simplified gives 83/42
So, 24/16 + 10/21 = 83/42
In mixed form: 141/42

MathStep (Works offline)

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