Add 15/2 and 3/18
1st number: 7 1/2, 2nd number: 3/18
15/2 + 3/18 is 23/3.
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,
15/2 = 15 × 9/2 × 9 = 135/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
3/18 = 3 × 1/18 × 1 = 3/18 - Add the two like fractions:
135/18 + 3/18 = 135 + 3/18 = 138/18 - 138/18 simplified gives 23/3
- So, 15/2 + 3/18 = 23/3
In mixed form: 72/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+3/18 15/2+6/18 15/4+3/18 15/2+3/36 45/2+3/18 15/2+9/18 15/6+3/18 15/2+3/54 75/2+3/18 15/2+15/18 15/10+3/18 15/2+3/90 15/2+21/18 15/14+3/18