Add 10/8 and 80/81
1st number: 1 2/8, 2nd number: 80/81
10/8 + 80/81 is 725/324.
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,
10/8 = 10 × 81/8 × 81 = 810/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
80/81 = 80 × 8/81 × 8 = 640/648 - Add the two like fractions:
810/648 + 640/648 = 810 + 640/648 = 1450/648 - 1450/648 simplified gives 725/324
- So, 10/8 + 80/81 = 725/324
In mixed form: 277/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+80/81 10/16+80/81 30/8+80/81 10/24+80/81 50/8+80/81 10/40+80/81 70/8+80/81 10/56+80/81