Answers

Add 36/4 and 42/84

1^st number: 9 0/4, 2^nd number: 42/84

36/4 + 42/84 is 19/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   36/4 = 36 × 21/4 × 21 = 756/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   42/84 = 42 × 1/84 × 1 = 42/84
4. Add the two like fractions:
   756/84 + 42/84 = 756 + 42/84 = 798/84
5. 798/84 simplified gives 19/2
6. So, 36/4 + 42/84 = 19/2
   In mixed form: 91/2

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