Add 18/40 and 2/10
18/40 + 2/10 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 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 10 × 4 = 40,
2/10 = 2 × 4/10 × 4 = 8/40 - Add the two like fractions:
18/40 + 8/40 = 18 + 8/40 = 26/40 - 26/40 simplified gives 13/20
- So, 18/40 + 2/10 = 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+2/10 18/40+4/10 18/80+2/10 18/40+2/20 54/40+2/10 18/40+6/10 18/40+2/30 90/40+2/10 18/40+2/50 18/40+14/10 18/40+2/70