Add 30/80 and 50/9
1st number: 30/80, 2nd number: 5 5/9
30/80 + 50/9 is 427/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
30/80 = 30 × 9/80 × 9 = 270/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
50/9 = 50 × 80/9 × 80 = 4000/720 - Add the two like fractions:
270/720 + 4000/720 = 270 + 4000/720 = 4270/720 - 4270/720 simplified gives 427/72
- So, 30/80 + 50/9 = 427/72
In mixed form: 567/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+50/9 30/80+50/18 90/80+50/9 30/80+50/27 30/80+50/45 30/80+50/63