Answers

Add 75/4 and 21/63

1^st number: 18 3/4, 2^nd number: 21/63

75/4 + 21/63 is 229/12.

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,
   75/4 = 75 × 63/4 × 63 = 4725/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   21/63 = 21 × 4/63 × 4 = 84/252
4. Add the two like fractions:
   4725/252 + 84/252 = 4725 + 84/252 = 4809/252
5. 4809/252 simplified gives 229/12
6. So, 75/4 + 21/63 = 229/12
   In mixed form: 191/12

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