Add 70/15 and 6/9
1st number: 4 10/15, 2nd number: 6/9
70/15 + 6/9 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
6/9 = 6 × 5/9 × 5 = 30/45 - Add the two like fractions:
210/45 + 30/45 = 210 + 30/45 = 240/45 - 240/45 simplified gives 16/3
- So, 70/15 + 6/9 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+12/9 70/30+6/9 70/15+6/18 70/15+18/9 70/45+6/9 70/15+6/27 70/15+30/9 70/75+6/9 70/15+6/45 70/15+42/9 70/15+6/63