Answers

Add 10/81 and 90/5

1^st number: 10/81, 2^nd number: 18 0/5

10/81 + 90/5 is 1468/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 5 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 81 × 5 = 405,
   10/81 = 10 × 5/81 × 5 = 50/405
3. Likewise, for the 2nd fraction, since 5 × 81 = 405,
   90/5 = 90 × 81/5 × 81 = 7290/405
4. Add the two like fractions:
   50/405 + 7290/405 = 50 + 7290/405 = 7340/405
5. 7340/405 simplified gives 1468/81
6. So, 10/81 + 90/5 = 1468/81
   In mixed form: 1810/81

MathStep (Works offline)

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

Related: ²⁰/₈₁+⁹⁰/₅ ¹⁰/₈₁+⁹⁰/₁₀ ³⁰/₈₁+⁹⁰/₅ ¹⁰/₈₁+⁹⁰/₁₅ ⁵⁰/₈₁+⁹⁰/₅ ¹⁰/₈₁+⁹⁰/₂₅ ⁷⁰/₈₁+⁹⁰/₅ ¹⁰/₈₁+⁹⁰/₃₅

Add Fractions Calculator