Add 70/9 and 9/30
1st number: 7 7/9, 2nd number: 9/30
70/9 + 9/30 is 727/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
70/9 = 70 × 10/9 × 10 = 700/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
9/30 = 9 × 3/30 × 3 = 27/90 - Add the two like fractions:
700/90 + 27/90 = 700 + 27/90 = 727/90 - So, 70/9 + 9/30 = 727/90
In mixed form: 87/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+18/30 70/18+9/30 70/9+9/60 70/9+27/30 70/27+9/30 70/9+9/90 70/9+45/30 70/45+9/30 70/9+63/30 70/63+9/30