Answers

Add 98/15 and 3/81

1^st number: 6 8/15, 2^nd number: 3/81

98/15 + 3/81 is 887/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 15 × 27 = 405,
   98/15 = 98 × 27/15 × 27 = 2646/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   3/81 = 3 × 5/81 × 5 = 15/405
4. Add the two like fractions:
   2646/405 + 15/405 = 2646 + 15/405 = 2661/405
5. 2661/405 simplified gives 887/135
6. So, 98/15 + 3/81 = 887/135
   In mixed form: 677/135

MathStep (Works offline)

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

Related: ⁹⁸/₁₅+⁶/₈₁ ⁹⁸/₃₀+³/₈₁ ⁹⁸/₁₅+⁹/₈₁ ⁹⁸/₄₅+³/₈₁ ⁹⁸/₁₅+¹⁵/₈₁ ⁹⁸/₇₅+³/₈₁ ⁹⁸/₁₅+²¹/₈₁

Add Fractions Calculator