Add 6/8 and 8/15
6/8 + 8/15 is 77/60.
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,
6/8 = 6 × 15/8 × 15 = 90/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
8/15 = 8 × 8/15 × 8 = 64/120 - Add the two like fractions:
90/120 + 64/120 = 90 + 64/120 = 154/120 - 154/120 simplified gives 77/60
- So, 6/8 + 8/15 = 77/60
In mixed form: 117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+8/15 6/8+16/15 6/16+8/15 6/8+8/30 18/8+8/15 6/8+24/15 6/24+8/15 6/8+8/45 30/8+8/15 6/8+40/15 6/40+8/15 6/8+8/75 42/8+8/15 6/8+56/15 6/56+8/15