Add 6/15 and 8/20
6/15 + 8/20 is 4/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
6/15 = 6 × 4/15 × 4 = 24/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
8/20 = 8 × 3/20 × 3 = 24/60 - Add the two like fractions:
24/60 + 24/60 = 24 + 24/60 = 48/60 - 48/60 simplified gives 4/5
- So, 6/15 + 8/20 = 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+8/20 6/15+16/20 6/30+8/20 6/15+8/40 18/15+8/20 6/15+24/20 6/45+8/20 6/15+8/60 30/15+8/20 6/15+40/20 6/75+8/20 42/15+8/20 6/15+56/20