Answers

Add 70/81 and 25/56

70/81 + 25/56 is 5945/4536.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 56 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 81 × 56 = 4536,
   70/81 = 70 × 56/81 × 56 = 3920/4536
3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
   25/56 = 25 × 81/56 × 81 = 2025/4536
4. Add the two like fractions:
   3920/4536 + 2025/4536 = 3920 + 2025/4536 = 5945/4536
5. So, 70/81 + 25/56 = 5945/4536
   In mixed form: 11409/4536

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