Answers

Add 20/14 and 84/81

1^st number: 1 6/14, 2^nd number: 1 3/81

20/14 + 84/81 is 466/189.

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,
   20/14 = 20 × 81/14 × 81 = 1620/1134
3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
   84/81 = 84 × 14/81 × 14 = 1176/1134
4. Add the two like fractions:
   1620/1134 + 1176/1134 = 1620 + 1176/1134 = 2796/1134
5. 2796/1134 simplified gives 466/189
6. So, 20/14 + 84/81 = 466/189
   In mixed form: 288/189

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