Add 14/21 and 63/24, Solve 14/21 + 2 15/24 as a fraction

Add 14/21 and 63/24

1^st number: 14/21, 2^nd number: 2 15/24

14/21 + 63/24 is 79/24.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 21 × 8 = 168,
14/21 = 14 × 8/21 × 8 = 112/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
63/24 = 63 × 7/24 × 7 = 441/168
Add the two like fractions:
112/168 + 441/168 = 112 + 441/168 = 553/168
553/168 simplified gives 79/24
So, 14/21 + 63/24 = 79/24
In mixed form: 37/24

MathStep (Works offline)

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