Add 1/81 and 70/8
1st number: 1/81, 2nd number: 8 6/8
1/81 + 70/8 is 2839/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
1/81 = 1 × 8/81 × 8 = 8/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
70/8 = 70 × 81/8 × 81 = 5670/648 - Add the two like fractions:
8/648 + 5670/648 = 8 + 5670/648 = 5678/648 - 5678/648 simplified gives 2839/324
- So, 1/81 + 70/8 = 2839/324
In mixed form: 8247/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81+70/8 1/81+70/16 3/81+70/8 1/81+70/24 5/81+70/8 1/81+70/40 7/81+70/8 1/81+70/56