Add 9/70 and 80/9
1st number: 9/70, 2nd number: 8 8/9
9/70 + 80/9 is 5681/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
80/9 = 80 × 70/9 × 70 = 5600/630 - Add the two like fractions:
81/630 + 5600/630 = 81 + 5600/630 = 5681/630 - So, 9/70 + 80/9 = 5681/630
In mixed form: 911/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+80/9 9/70+80/18 27/70+80/9 9/70+80/27 45/70+80/9 9/70+80/45 63/70+80/9 9/70+80/63