Answers

Add 28/35 and 9/81

28/35 + 9/81 is 41/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 81 is 2835
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2835
2. For the 1st fraction, since 35 × 81 = 2835,
   28/35 = 28 × 81/35 × 81 = 2268/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   9/81 = 9 × 35/81 × 35 = 315/2835
4. Add the two like fractions:
   2268/2835 + 315/2835 = 2268 + 315/2835 = 2583/2835
5. 2583/2835 simplified gives 41/45
6. So, 28/35 + 9/81 = 41/45

MathStep (Works offline)

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

Related: ⁵⁶/₃₅+⁹/₈₁ ²⁸/₃₅+¹⁸/₈₁ ²⁸/₇₀+⁹/₈₁ ⁸⁴/₃₅+⁹/₈₁ ²⁸/₃₅+²⁷/₈₁ ²⁸/₃₅+⁴⁵/₈₁ ²⁸/₃₅+⁶³/₈₁

Add Fractions Calculator