Add 3/2 and 21/24
1st number: 1 1/2, 2nd number: 21/24
3/2 + 21/24 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 2 × 12 = 24,
3/2 = 3 × 12/2 × 12 = 36/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Add the two like fractions:
36/24 + 21/24 = 36 + 21/24 = 57/24 - 57/24 simplified gives 19/8
- So, 3/2 + 21/24 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+21/24 3/2+42/24 3/4+21/24 3/2+21/48 9/2+21/24 3/2+63/24 3/6+21/24 3/2+21/72 15/2+21/24 3/10+21/24 21/2+21/24 3/14+21/24