Add 18/20 and 14/40
18/20 + 14/40 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
18/20 = 18 × 2/20 × 2 = 36/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
14/40 = 14 × 1/40 × 1 = 14/40 - Add the two like fractions:
36/40 + 14/40 = 36 + 14/40 = 50/40 - 50/40 simplified gives 5/4
- So, 18/20 + 14/40 = 5/4
In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+14/40 18/20+28/40 18/40+14/40 18/20+14/80 54/20+14/40 18/20+42/40 18/60+14/40 90/20+14/40 18/20+70/40 18/20+98/40