Add 6/8 and 21/24
6/8 + 21/24 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
6/8 = 6 × 3/8 × 3 = 18/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Add the two like fractions:
18/24 + 21/24 = 18 + 21/24 = 39/24 - 39/24 simplified gives 13/8
- So, 6/8 + 21/24 = 13/8
In mixed form: 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+21/24 6/8+42/24 6/16+21/24 6/8+21/48 18/8+21/24 6/8+63/24 6/24+21/24 6/8+21/72 30/8+21/24 6/40+21/24 42/8+21/24 6/56+21/24