Answers

Add 84/4 and 36/63

1^st number: 21 0/4, 2^nd number: 36/63

84/4 + 36/63 is 151/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 4 × 63 = 252,
   84/4 = 84 × 63/4 × 63 = 5292/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   36/63 = 36 × 4/63 × 4 = 144/252
4. Add the two like fractions:
   5292/252 + 144/252 = 5292 + 144/252 = 5436/252
5. 5436/252 simplified gives 151/7
6. So, 84/4 + 36/63 = 151/7
   In mixed form: 214/7

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