Add 3/8 and 1/40
3/8 + 1/40 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 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 40 × 1 = 40,
1/40 = 1 × 1/40 × 1 = 1/40 - Add the two like fractions:
15/40 + 1/40 = 15 + 1/40 = 16/40 - 16/40 simplified gives 2/5
- So, 3/8 + 1/40 = 2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+1/40 3/8+2/40 3/16+1/40 3/8+1/80 9/8+1/40 3/8+3/40 3/24+1/40 15/8+1/40 3/8+5/40 3/40+1/40 21/8+1/40 3/8+7/40 3/56+1/40