Add 72/2 and 15/18
1st number: 36 0/2, 2nd number: 15/18
72/2 + 15/18 is 221/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
72/2 = 72 × 9/2 × 9 = 648/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
15/18 = 15 × 1/18 × 1 = 15/18 - Add the two like fractions:
648/18 + 15/18 = 648 + 15/18 = 663/18 - 663/18 simplified gives 221/6
- So, 72/2 + 15/18 = 221/6
In mixed form: 365/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+30/18 72/4+15/18 72/2+15/36 72/2+45/18 72/6+15/18 72/2+15/54 72/2+75/18 72/10+15/18 72/2+15/90 72/14+15/18