Add 10/9 and 70/84
1st number: 1 1/9, 2nd number: 70/84
10/9 + 70/84 is 35/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
10/9 = 10 × 28/9 × 28 = 280/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
70/84 = 70 × 3/84 × 3 = 210/252 - Add the two like fractions:
280/252 + 210/252 = 280 + 210/252 = 490/252 - 490/252 simplified gives 35/18
- So, 10/9 + 70/84 = 35/18
In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+70/84 10/18+70/84 30/9+70/84 10/27+70/84 50/9+70/84 10/45+70/84 70/9+70/84 10/63+70/84