Answers

Add 45/28 and 12/81

1^st number: 1 17/28, 2^nd number: 12/81

45/28 + 12/81 is 1327/756.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 28 × 81 = 2268,
   45/28 = 45 × 81/28 × 81 = 3645/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   12/81 = 12 × 28/81 × 28 = 336/2268
4. Add the two like fractions:
   3645/2268 + 336/2268 = 3645 + 336/2268 = 3981/2268
5. 3981/2268 simplified gives 1327/756
6. So, 45/28 + 12/81 = 1327/756
   In mixed form: 1571/756

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