Add 84/9 and 84/5
1st number: 9 3/9, 2nd number: 16 4/5
84/9 + 84/5 is 392/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
84/9 = 84 × 5/9 × 5 = 420/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
84/5 = 84 × 9/5 × 9 = 756/45 - Add the two like fractions:
420/45 + 756/45 = 420 + 756/45 = 1176/45 - 1176/45 simplified gives 392/15
- So, 84/9 + 84/5 = 392/15
In mixed form: 262/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+84/5 84/9+84/10 84/27+84/5 84/9+84/15 84/45+84/5 84/9+84/25 84/63+84/5 84/9+84/35