Add 2/8 and 2/5
2/8 + 2/5 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
2/8 = 2 × 5/8 × 5 = 10/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
2/5 = 2 × 8/5 × 8 = 16/40 - Add the two like fractions:
10/40 + 16/40 = 10 + 16/40 = 26/40 - 26/40 simplified gives 13/20
- So, 2/8 + 2/5 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+2/5 2/8+4/5 2/16+2/5 2/8+2/10 6/8+2/5 2/8+6/5 2/24+2/5 2/8+2/15 10/8+2/5 2/8+10/5 2/40+2/5 2/8+2/25 14/8+2/5 2/8+14/5 2/56+2/5 2/8+2/35