Add 2/8 and 9/15
2/8 + 9/15 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
2/8 = 2 × 15/8 × 15 = 30/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
9/15 = 9 × 8/15 × 8 = 72/120 - Add the two like fractions:
30/120 + 72/120 = 30 + 72/120 = 102/120 - 102/120 simplified gives 17/20
- So, 2/8 + 9/15 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+9/15 2/8+18/15 2/16+9/15 2/8+9/30 6/8+9/15 2/8+27/15 2/24+9/15 2/8+9/45 10/8+9/15 2/8+45/15 2/40+9/15 2/8+9/75 14/8+9/15 2/8+63/15 2/56+9/15