Answers

Add 81/45 and 6/81

1^st number: 1 36/45, 2^nd number: 6/81

81/45 + 6/81 is 253/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 45 × 9 = 405,
   81/45 = 81 × 9/45 × 9 = 729/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   6/81 = 6 × 5/81 × 5 = 30/405
4. Add the two like fractions:
   729/405 + 30/405 = 729 + 30/405 = 759/405
5. 759/405 simplified gives 253/135
6. So, 81/45 + 6/81 = 253/135
   In mixed form: 1118/135

MathStep (Works offline)

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

Related: ⁸¹/₄₅+¹²/₈₁ ⁸¹/₉₀+⁶/₈₁ ⁸¹/₄₅+¹⁸/₈₁ ⁸¹/₄₅+³⁰/₈₁ ⁸¹/₄₅+⁴²/₈₁

Add Fractions Calculator