Answers

Add 12/81 and 75/10

1^st number: 12/81, 2^nd number: 7 5/10

12/81 + 75/10 is 413/54.

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,
   12/81 = 12 × 10/81 × 10 = 120/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   75/10 = 75 × 81/10 × 81 = 6075/810
4. Add the two like fractions:
   120/810 + 6075/810 = 120 + 6075/810 = 6195/810
5. 6195/810 simplified gives 413/54
6. So, 12/81 + 75/10 = 413/54
   In mixed form: 735/54

MathStep (Works offline)

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

Related: ²⁴/₈₁+⁷⁵/₁₀ ¹²/₈₁+⁷⁵/₂₀ ³⁶/₈₁+⁷⁵/₁₀ ¹²/₈₁+⁷⁵/₃₀ ⁶⁰/₈₁+⁷⁵/₁₀ ¹²/₈₁+⁷⁵/₅₀ ⁸⁴/₈₁+⁷⁵/₁₀ ¹²/₈₁+⁷⁵/₇₀

Add Fractions Calculator