Add 3/8 and 6/40
3/8 + 6/40 is 21/40.
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,
6/40 = 6 × 1/40 × 1 = 6/40 - Add the two like fractions:
15/40 + 6/40 = 15 + 6/40 = 21/40 - So, 3/8 + 6/40 = 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+6/40 3/8+12/40 3/16+6/40 3/8+6/80 9/8+6/40 3/8+18/40 3/24+6/40 15/8+6/40 3/8+30/40 3/40+6/40 21/8+6/40 3/8+42/40 3/56+6/40