Add 2/8 and 10/81
2/8 + 10/81 is 121/324.
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,
2/8 = 2 × 81/8 × 81 = 162/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
10/81 = 10 × 8/81 × 8 = 80/648 - Add the two like fractions:
162/648 + 80/648 = 162 + 80/648 = 242/648 - 242/648 simplified gives 121/324
- So, 2/8 + 10/81 = 121/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+10/81 2/8+20/81 2/16+10/81 6/8+10/81 2/8+30/81 2/24+10/81 10/8+10/81 2/8+50/81 2/40+10/81 14/8+10/81 2/8+70/81 2/56+10/81