Add 80/9 and 84/10
1st number: 8 8/9, 2nd number: 8 4/10
80/9 + 84/10 is 778/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
80/9 = 80 × 10/9 × 10 = 800/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Add the two like fractions:
800/90 + 756/90 = 800 + 756/90 = 1556/90 - 1556/90 simplified gives 778/45
- So, 80/9 + 84/10 = 778/45
In mixed form: 1713/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+84/10 80/9+84/20 80/27+84/10 80/9+84/30 80/45+84/10 80/9+84/50 80/63+84/10 80/9+84/70