Add 1/5 and 4/10
1/5 + 4/10 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
1/5 = 1 × 2/5 × 2 = 2/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
4/10 = 4 × 1/10 × 1 = 4/10 - Add the two like fractions:
2/10 + 4/10 = 2 + 4/10 = 6/10 - 6/10 simplified gives 3/5
- So, 1/5 + 4/10 = 3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+4/10 1/5+8/10 1/10+4/10 1/5+4/20 3/5+4/10 1/5+12/10 1/15+4/10 1/5+4/30 1/5+20/10 1/25+4/10 1/5+4/50 7/5+4/10 1/5+28/10 1/35+4/10 1/5+4/70