Answers

Add 70/25 and 27/81

1^st number: 2 20/25, 2^nd number: 27/81

70/25 + 27/81 is 47/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 25 × 81 = 2025,
   70/25 = 70 × 81/25 × 81 = 5670/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   27/81 = 27 × 25/81 × 25 = 675/2025
4. Add the two like fractions:
   5670/2025 + 675/2025 = 5670 + 675/2025 = 6345/2025
5. 6345/2025 simplified gives 47/15
6. So, 70/25 + 27/81 = 47/15
   In mixed form: 32/15

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