Answers

Add 70/35 and 4/81

1^st number: 2 0/35, 2^nd number: 4/81

70/35 + 4/81 is 166/81.

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,
   70/35 = 70 × 81/35 × 81 = 5670/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   4/81 = 4 × 35/81 × 35 = 140/2835
4. Add the two like fractions:
   5670/2835 + 140/2835 = 5670 + 140/2835 = 5810/2835
5. 5810/2835 simplified gives 166/81
6. So, 70/35 + 4/81 = 166/81
   In mixed form: 24/81

MathStep (Works offline)

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

Related: ⁷⁰/₃₅+⁸/₈₁ ⁷⁰/₃₅+¹²/₈₁ ⁷⁰/₃₅+²⁰/₈₁ ⁷⁰/₃₅+²⁸/₈₁

Add Fractions Calculator