Answers

Add 8/81 and 90/10

1^st number: 8/81, 2^nd number: 9 0/10

8/81 + 90/10 is 737/81.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 81 × 10 = 810,
   8/81 = 8 × 10/81 × 10 = 80/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   90/10 = 90 × 81/10 × 81 = 7290/810
4. Add the two like fractions:
   80/810 + 7290/810 = 80 + 7290/810 = 7370/810
5. 7370/810 simplified gives 737/81
6. So, 8/81 + 90/10 = 737/81
   In mixed form: 98/81

MathStep (Works offline)

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

Related: ¹⁶/₈₁+⁹⁰/₁₀ ⁸/₈₁+⁹⁰/₂₀ ²⁴/₈₁+⁹⁰/₁₀ ⁸/₈₁+⁹⁰/₃₀ ⁴⁰/₈₁+⁹⁰/₁₀ ⁸/₈₁+⁹⁰/₅₀ ⁵⁶/₈₁+⁹⁰/₁₀ ⁸/₈₁+⁹⁰/₇₀

Add Fractions Calculator