Add 20/9 and 2/40
1st number: 2 2/9, 2nd number: 2/40
20/9 + 2/40 is 409/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
20/9 = 20 × 40/9 × 40 = 800/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Add the two like fractions:
800/360 + 18/360 = 800 + 18/360 = 818/360 - 818/360 simplified gives 409/180
- So, 20/9 + 2/40 = 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: 40/9+2/40 20/9+4/40 20/18+2/40 20/9+2/80 60/9+2/40 20/9+6/40 20/27+2/40 20/9+10/40 20/45+2/40 20/9+14/40 20/63+2/40