Answers

Add 84/27 and 45/42

1^st number: 3 3/27, 2^nd number: 1 3/42

84/27 + 45/42 is 527/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 42 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 27 × 14 = 378,
   84/27 = 84 × 14/27 × 14 = 1176/378
3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
   45/42 = 45 × 9/42 × 9 = 405/378
4. Add the two like fractions:
   1176/378 + 405/378 = 1176 + 405/378 = 1581/378
5. 1581/378 simplified gives 527/126
6. So, 84/27 + 45/42 = 527/126
   In mixed form: 423/126

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