Answers

Add 56/35 and 18/81

1^st number: 1 21/35, 2^nd number: 18/81

56/35 + 18/81 is 82/45.

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,
   56/35 = 56 × 81/35 × 81 = 4536/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   18/81 = 18 × 35/81 × 35 = 630/2835
4. Add the two like fractions:
   4536/2835 + 630/2835 = 4536 + 630/2835 = 5166/2835
5. 5166/2835 simplified gives 82/45
6. So, 56/35 + 18/81 = 82/45
   In mixed form: 137/45

MathStep (Works offline)

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

Related: ⁵⁶/₃₅+³⁶/₈₁ ⁵⁶/₇₀+¹⁸/₈₁ ⁵⁶/₃₅+⁵⁴/₈₁ ⁵⁶/₃₅+⁹⁰/₈₁

Add Fractions Calculator