Add 72/24 and 15/18
1st number: 3 0/24, 2nd number: 15/18
72/24 + 15/18 is 23/6.
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,
72/24 = 72 × 3/24 × 3 = 216/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
15/18 = 15 × 4/18 × 4 = 60/72 - Add the two like fractions:
216/72 + 60/72 = 216 + 60/72 = 276/72 - 276/72 simplified gives 23/6
- So, 72/24 + 15/18 = 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: 72/24+30/18 72/48+15/18 72/24+15/36 72/24+45/18 72/24+15/54 72/24+75/18 72/24+15/90