Add 18/40 and 14/20
18/40 + 14/20 is 23/20.
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,
14/20 = 14 × 2/20 × 2 = 28/40 - Add the two like fractions:
18/40 + 28/40 = 18 + 28/40 = 46/40 - 46/40 simplified gives 23/20
- So, 18/40 + 14/20 = 23/20
In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+14/20 18/40+28/20 18/80+14/20 18/40+14/40 54/40+14/20 18/40+42/20 18/40+14/60 90/40+14/20 18/40+70/20 18/40+98/20