Add 35/15 and 18/9
1st number: 2 5/15, 2nd number: 2 0/9
35/15 + 18/9 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
35/15 = 35 × 3/15 × 3 = 105/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Add the two like fractions:
105/45 + 90/45 = 105 + 90/45 = 195/45 - 195/45 simplified gives 13/3
- So, 35/15 + 18/9 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+18/9 35/15+36/9 35/30+18/9 35/15+54/9 35/45+18/9 35/15+18/27 35/15+90/9 35/75+18/9 35/15+18/45 35/15+18/63