Add 8/20 and 4/15
8/20 + 4/15 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
8/20 = 8 × 3/20 × 3 = 24/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
4/15 = 4 × 4/15 × 4 = 16/60 - Add the two like fractions:
24/60 + 16/60 = 24 + 16/60 = 40/60 - 40/60 simplified gives 2/3
- So, 8/20 + 4/15 = 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+4/15 8/20+8/15 8/40+4/15 8/20+4/30 24/20+4/15 8/20+12/15 8/60+4/15 8/20+4/45 40/20+4/15 8/20+20/15 8/20+4/75 56/20+4/15 8/20+28/15