Answers

Add 10/81 and 10/12

10/81 + 10/12 is 155/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 12 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   10/81 = 10 × 4/81 × 4 = 40/324
3. Likewise, for the 2nd fraction, since 12 × 27 = 324,
   10/12 = 10 × 27/12 × 27 = 270/324
4. Add the two like fractions:
   40/324 + 270/324 = 40 + 270/324 = 310/324
5. 310/324 simplified gives 155/162
6. So, 10/81 + 10/12 = 155/162

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ²⁰/₈₁+¹⁰/₁₂ ¹⁰/₈₁+²⁰/₁₂ ¹⁰/₈₁+¹⁰/₂₄ ³⁰/₈₁+¹⁰/₁₂ ¹⁰/₈₁+³⁰/₁₂ ¹⁰/₈₁+¹⁰/₃₆ ⁵⁰/₈₁+¹⁰/₁₂ ¹⁰/₈₁+⁵⁰/₁₂ ¹⁰/₈₁+¹⁰/₆₀ ⁷⁰/₈₁+¹⁰/₁₂ ¹⁰/₈₁+⁷⁰/₁₂ ¹⁰/₈₁+¹⁰/₈₄

Add Fractions Calculator