Add 18/40 and 10/50
18/40 + 10/50 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
18/40 = 18 × 5/40 × 5 = 90/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
10/50 = 10 × 4/50 × 4 = 40/200 - Add the two like fractions:
90/200 + 40/200 = 90 + 40/200 = 130/200 - 130/200 simplified gives 13/20
- So, 18/40 + 10/50 = 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+10/50 18/40+20/50 18/80+10/50 54/40+10/50 18/40+30/50 90/40+10/50 18/40+70/50