Add 5/40 and 3/20
5/40 + 3/20 is 11/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
3/20 = 3 × 2/20 × 2 = 6/40 - Add the two like fractions:
5/40 + 6/40 = 5 + 6/40 = 11/40 - So, 5/40 + 3/20 = 11/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+3/20 5/40+6/20 5/80+3/20 5/40+3/40 15/40+3/20 5/40+9/20 5/40+3/60 25/40+3/20 5/40+15/20 35/40+3/20 5/40+21/20