Answers

Add 10/81 and 45/8

1^st number: 10/81, 2^nd number: 5 5/8

10/81 + 45/8 is 3725/648.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 8 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 81 × 8 = 648,
   10/81 = 10 × 8/81 × 8 = 80/648
3. Likewise, for the 2nd fraction, since 8 × 81 = 648,
   45/8 = 45 × 81/8 × 81 = 3645/648
4. Add the two like fractions:
   80/648 + 3645/648 = 80 + 3645/648 = 3725/648
5. So, 10/81 + 45/8 = 3725/648
   In mixed form: 5485/648

MathStep (Works offline)

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

Related: ²⁰/₈₁+⁴⁵/₈ ¹⁰/₈₁+⁹⁰/₈ ¹⁰/₈₁+⁴⁵/₁₆ ³⁰/₈₁+⁴⁵/₈ ¹⁰/₈₁+⁴⁵/₂₄ ⁵⁰/₈₁+⁴⁵/₈ ¹⁰/₈₁+⁴⁵/₄₀ ⁷⁰/₈₁+⁴⁵/₈ ¹⁰/₈₁+⁴⁵/₅₆

Add Fractions Calculator