Add 80/20 and 2/9
1st number: 4 0/20, 2nd number: 2/9
80/20 + 2/9 is 38/9.
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,
80/20 = 80 × 9/20 × 9 = 720/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
2/9 = 2 × 20/9 × 20 = 40/180 - Add the two like fractions:
720/180 + 40/180 = 720 + 40/180 = 760/180 - 760/180 simplified gives 38/9
- So, 80/20 + 2/9 = 38/9
In mixed form: 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+4/9 80/40+2/9 80/20+2/18 80/20+6/9 80/60+2/9 80/20+2/27 80/20+10/9 80/20+2/45 80/20+14/9 80/20+2/63