Add 2/5 and 8/20
2/5 + 8/20 is 4/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
2/5 = 2 × 4/5 × 4 = 8/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
8/20 = 8 × 1/20 × 1 = 8/20 - Add the two like fractions:
8/20 + 8/20 = 8 + 8/20 = 16/20 - 16/20 simplified gives 4/5
- So, 2/5 + 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: 4/5+8/20 2/5+16/20 2/10+8/20 2/5+8/40 6/5+8/20 2/5+24/20 2/15+8/20 2/5+8/60 10/5+8/20 2/5+40/20 2/25+8/20 14/5+8/20 2/5+56/20 2/35+8/20