Add 80/30 and 14/9
1st number: 2 20/30, 2nd number: 1 5/9
80/30 + 14/9 is 38/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
14/9 = 14 × 10/9 × 10 = 140/90 - Add the two like fractions:
240/90 + 140/90 = 240 + 140/90 = 380/90 - 380/90 simplified gives 38/9
- So, 80/30 + 14/9 = 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: 80/30+28/9 80/60+14/9 80/30+14/18 80/30+42/9 80/90+14/9 80/30+14/27 80/30+70/9 80/30+14/45 80/30+98/9 80/30+14/63