Add 20/9 and 4/40
1st number: 2 2/9, 2nd number: 4/40
20/9 + 4/40 is 209/90.
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,
4/40 = 4 × 9/40 × 9 = 36/360 - Add the two like fractions:
800/360 + 36/360 = 800 + 36/360 = 836/360 - 836/360 simplified gives 209/90
- So, 20/9 + 4/40 = 209/90
In mixed form: 229/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+4/40 20/9+8/40 20/18+4/40 20/9+4/80 60/9+4/40 20/9+12/40 20/27+4/40 20/9+20/40 20/45+4/40 20/9+28/40 20/63+4/40