Add 30/9 and 84/80
1st number: 3 3/9, 2nd number: 1 4/80
30/9 + 84/80 is 263/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
30/9 = 30 × 80/9 × 80 = 2400/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Add the two like fractions:
2400/720 + 756/720 = 2400 + 756/720 = 3156/720 - 3156/720 simplified gives 263/60
- So, 30/9 + 84/80 = 263/60
In mixed form: 423/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+84/80 30/18+84/80 90/9+84/80 30/27+84/80 30/45+84/80 30/63+84/80