Add 70/6 and 72/81
1st number: 11 4/6, 2nd number: 72/81
70/6 + 72/81 is 113/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
70/6 = 70 × 27/6 × 27 = 1890/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
72/81 = 72 × 2/81 × 2 = 144/162 - Add the two like fractions:
1890/162 + 144/162 = 1890 + 144/162 = 2034/162 - 2034/162 simplified gives 113/9
- So, 70/6 + 72/81 = 113/9
In mixed form: 125/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+72/81 70/18+72/81 70/30+72/81 70/42+72/81