Answers

Add 70/56 and 35/81

1^st number: 1 14/56, 2^nd number: 35/81

70/56 + 35/81 is 545/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 81 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 56 × 81 = 4536,
   70/56 = 70 × 81/56 × 81 = 5670/4536
3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
   35/81 = 35 × 56/81 × 56 = 1960/4536
4. Add the two like fractions:
   5670/4536 + 1960/4536 = 5670 + 1960/4536 = 7630/4536
5. 7630/4536 simplified gives 545/324
6. So, 70/56 + 35/81 = 545/324
   In mixed form: 1221/324

MathStep (Works offline)

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

Related: ⁷⁰/₅₆+⁷⁰/₈₁

Add Fractions Calculator