Add 8/9 and 9/70
8/9 + 9/70 is 641/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
8/9 = 8 × 70/9 × 70 = 560/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Add the two like fractions:
560/630 + 81/630 = 560 + 81/630 = 641/630 - So, 8/9 + 9/70 = 641/630
In mixed form: 111/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+9/70 8/9+18/70 8/18+9/70 24/9+9/70 8/9+27/70 8/27+9/70 40/9+9/70 8/9+45/70 8/45+9/70 56/9+9/70 8/9+63/70 8/63+9/70