Add 70/15 and 8/9
1st number: 4 10/15, 2nd number: 8/9
70/15 + 8/9 is 50/9.
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,
8/9 = 8 × 5/9 × 5 = 40/45 - Add the two like fractions:
210/45 + 40/45 = 210 + 40/45 = 250/45 - 250/45 simplified gives 50/9
- So, 70/15 + 8/9 = 50/9
In mixed form: 55/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+16/9 70/30+8/9 70/15+8/18 70/15+24/9 70/45+8/9 70/15+8/27 70/15+40/9 70/75+8/9 70/15+8/45 70/15+56/9 70/15+8/63