Add 1/81 and 2/10
1/81 + 2/10 is 86/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
1/81 = 1 × 10/81 × 10 = 10/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
2/10 = 2 × 81/10 × 81 = 162/810 - Add the two like fractions:
10/810 + 162/810 = 10 + 162/810 = 172/810 - 172/810 simplified gives 86/405
- So, 1/81 + 2/10 = 86/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81+2/10 1/81+4/10 1/81+2/20 3/81+2/10 1/81+6/10 1/81+2/30 5/81+2/10 1/81+2/50 7/81+2/10 1/81+14/10 1/81+2/70