Answers

Add 10/25 and 2/81

10/25 + 2/81 is 172/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 25 × 81 = 2025,
   10/25 = 10 × 81/25 × 81 = 810/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   2/81 = 2 × 25/81 × 25 = 50/2025
4. Add the two like fractions:
   810/2025 + 50/2025 = 810 + 50/2025 = 860/2025
5. 860/2025 simplified gives 172/405
6. So, 10/25 + 2/81 = 172/405

MathStep (Works offline)

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

Related: ²⁰/₂₅+²/₈₁ ¹⁰/₂₅+⁴/₈₁ ¹⁰/₅₀+²/₈₁ ³⁰/₂₅+²/₈₁ ¹⁰/₂₅+⁶/₈₁ ¹⁰/₇₅+²/₈₁ ⁵⁰/₂₅+²/₈₁ ¹⁰/₂₅+¹⁰/₈₁ ⁷⁰/₂₅+²/₈₁ ¹⁰/₂₅+¹⁴/₈₁

Add Fractions Calculator