Add 70/5 and 84/9
1st number: 14 0/5, 2nd number: 9 3/9
70/5 + 84/9 is 70/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
70/5 = 70 × 9/5 × 9 = 630/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
84/9 = 84 × 5/9 × 5 = 420/45 - Add the two like fractions:
630/45 + 420/45 = 630 + 420/45 = 1050/45 - 1050/45 simplified gives 70/3
- So, 70/5 + 84/9 = 70/3
In mixed form: 231/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+84/9 70/5+84/18 70/15+84/9 70/5+84/27 70/25+84/9 70/5+84/45 70/35+84/9 70/5+84/63