Add 9/15 and 36/18
1st number: 9/15, 2nd number: 2 0/18
9/15 + 36/18 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
9/15 = 9 × 6/15 × 6 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
36/18 = 36 × 5/18 × 5 = 180/90 - Add the two like fractions:
54/90 + 180/90 = 54 + 180/90 = 234/90 - 234/90 simplified gives 13/5
- So, 9/15 + 36/18 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+36/18 9/15+72/18 9/30+36/18 27/15+36/18 9/45+36/18 9/15+36/54 45/15+36/18 9/75+36/18 9/15+36/90 63/15+36/18