Add 18/40 and 6/20
18/40 + 6/20 is 3/4.
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,
18/40 = 18 × 1/40 × 1 = 18/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
6/20 = 6 × 2/20 × 2 = 12/40 - Add the two like fractions:
18/40 + 12/40 = 18 + 12/40 = 30/40 - 30/40 simplified gives 3/4
- So, 18/40 + 6/20 = 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+6/20 18/40+12/20 18/80+6/20 18/40+6/40 54/40+6/20 18/40+18/20 18/40+6/60 90/40+6/20 18/40+30/20 18/40+42/20