Add 3/8 and 1/5
3/8 + 1/5 is 23/40.
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,
3/8 = 3 × 5/8 × 5 = 15/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
1/5 = 1 × 8/5 × 8 = 8/40 - Add the two like fractions:
15/40 + 8/40 = 15 + 8/40 = 23/40 - So, 3/8 + 1/5 = 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+1/5 3/8+2/5 3/16+1/5 3/8+1/10 9/8+1/5 3/8+3/5 3/24+1/5 3/8+1/15 15/8+1/5 3/40+1/5 3/8+1/25 21/8+1/5 3/8+7/5 3/56+1/5 3/8+1/35