Add 15/24 and 42/18
1st number: 15/24, 2nd number: 2 6/18
15/24 + 42/18 is 71/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
15/24 = 15 × 3/24 × 3 = 45/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72 - Add the two like fractions:
45/72 + 168/72 = 45 + 168/72 = 213/72 - 213/72 simplified gives 71/24
- So, 15/24 + 42/18 = 71/24
In mixed form: 223/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24+42/18 15/24+84/18 15/48+42/18 15/24+42/36 45/24+42/18 15/72+42/18 15/24+42/54 75/24+42/18 15/24+42/90