Add 40/20 and 40/9
1st number: 2 0/20, 2nd number: 4 4/9
40/20 + 40/9 is 58/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
40/9 = 40 × 20/9 × 20 = 800/180 - Add the two like fractions:
360/180 + 800/180 = 360 + 800/180 = 1160/180 - 1160/180 simplified gives 58/9
- So, 40/20 + 40/9 = 58/9
In mixed form: 64/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+40/9 40/20+80/9 40/20+40/18 40/60+40/9 40/20+40/27 40/20+40/45 40/20+40/63