Add 70/8 and 2/81
1st number: 8 6/8, 2nd number: 2/81
70/8 + 2/81 is 2843/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
70/8 = 70 × 81/8 × 81 = 5670/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
2/81 = 2 × 8/81 × 8 = 16/648 - Add the two like fractions:
5670/648 + 16/648 = 5670 + 16/648 = 5686/648 - 5686/648 simplified gives 2843/324
- So, 70/8 + 2/81 = 2843/324
In mixed form: 8251/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+4/81 70/16+2/81 70/8+6/81 70/24+2/81 70/8+10/81 70/40+2/81 70/8+14/81 70/56+2/81