Add 18/40 and 3/50
18/40 + 3/50 is 51/100.
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,
3/50 = 3 × 4/50 × 4 = 12/200 - Add the two like fractions:
90/200 + 12/200 = 90 + 12/200 = 102/200 - 102/200 simplified gives 51/100
- So, 18/40 + 3/50 = 51/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+3/50 18/40+6/50 18/80+3/50 54/40+3/50 18/40+9/50 90/40+3/50 18/40+15/50 18/40+21/50