Add 70/9 and 18/49
1st number: 7 7/9, 2nd number: 18/49
70/9 + 18/49 is 3592/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
70/9 = 70 × 49/9 × 49 = 3430/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
18/49 = 18 × 9/49 × 9 = 162/441 - Add the two like fractions:
3430/441 + 162/441 = 3430 + 162/441 = 3592/441 - So, 70/9 + 18/49 = 3592/441
In mixed form: 864/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+36/49 70/18+18/49 70/9+18/98 70/9+54/49 70/27+18/49 70/9+90/49 70/45+18/49 70/63+18/49