Answers

Add 45/14 and 15/81

1^st number: 3 3/14, 2^nd number: 15/81

45/14 + 15/81 is 1285/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 81 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 14 × 81 = 1134,
   45/14 = 45 × 81/14 × 81 = 3645/1134
3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
   15/81 = 15 × 14/81 × 14 = 210/1134
4. Add the two like fractions:
   3645/1134 + 210/1134 = 3645 + 210/1134 = 3855/1134
5. 3855/1134 simplified gives 1285/378
6. So, 45/14 + 15/81 = 1285/378
   In mixed form: 3151/378

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