Add 2/40 and 9/20
2/40 + 9/20 is 1/2.
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,
2/40 = 2 × 1/40 × 1 = 2/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
9/20 = 9 × 2/20 × 2 = 18/40 - Add the two like fractions:
2/40 + 18/40 = 2 + 18/40 = 20/40 - 20/40 simplified gives 1/2
- So, 2/40 + 9/20 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40+9/20 2/40+18/20 2/80+9/20 2/40+9/40 6/40+9/20 2/40+27/20 2/40+9/60 10/40+9/20 2/40+45/20 14/40+9/20 2/40+63/20