Add 8/15 and 6/18
8/15 + 6/18 is 13/15.
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,
8/15 = 8 × 6/15 × 6 = 48/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Add the two like fractions:
48/90 + 30/90 = 48 + 30/90 = 78/90 - 78/90 simplified gives 13/15
- So, 8/15 + 6/18 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+6/18 8/15+12/18 8/30+6/18 8/15+6/36 24/15+6/18 8/45+6/18 8/15+6/54 40/15+6/18 8/15+30/18 8/75+6/18 8/15+6/90 56/15+6/18 8/15+42/18