Answers

Add 84/42 and 63/27

1^st number: 2 0/42, 2^nd number: 2 9/27

84/42 + 63/27 is 13/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 27 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 42 × 9 = 378,
   84/42 = 84 × 9/42 × 9 = 756/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   63/27 = 63 × 14/27 × 14 = 882/378
4. Add the two like fractions:
   756/378 + 882/378 = 756 + 882/378 = 1638/378
5. 1638/378 simplified gives 13/3
6. So, 84/42 + 63/27 = 13/3
   In mixed form: 41/3

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