Answers

Add 70/81 and 45/28

1^st number: 70/81, 2^nd number: 1 17/28

70/81 + 45/28 is 5605/2268.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 28 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 81 × 28 = 2268,
   70/81 = 70 × 28/81 × 28 = 1960/2268
3. Likewise, for the 2nd fraction, since 28 × 81 = 2268,
   45/28 = 45 × 81/28 × 81 = 3645/2268
4. Add the two like fractions:
   1960/2268 + 3645/2268 = 1960 + 3645/2268 = 5605/2268
5. So, 70/81 + 45/28 = 5605/2268
   In mixed form: 21069/2268

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