Add 2/40 and 40/18
1st number: 2/40, 2nd number: 2 4/18
2/40 + 40/18 is 409/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
40/18 = 40 × 20/18 × 20 = 800/360 - Add the two like fractions:
18/360 + 800/360 = 18 + 800/360 = 818/360 - 818/360 simplified gives 409/180
- So, 2/40 + 40/18 = 409/180
In mixed form: 249/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40+40/18 2/40+80/18 2/80+40/18 2/40+40/36 6/40+40/18 2/40+40/54 10/40+40/18 2/40+40/90 14/40+40/18