Add 15/18 and 72/24
1st number: 15/18, 2nd number: 3 0/24
15/18 + 72/24 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
15/18 = 15 × 4/18 × 4 = 60/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
72/24 = 72 × 3/24 × 3 = 216/72 - Add the two like fractions:
60/72 + 216/72 = 60 + 216/72 = 276/72 - 276/72 simplified gives 23/6
- So, 15/18 + 72/24 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+72/24 15/36+72/24 15/18+72/48 45/18+72/24 15/54+72/24 75/18+72/24 15/90+72/24