Answers

Add 21/36 and 75/63

1^st number: 21/36, 2^nd number: 1 12/63

21/36 + 75/63 is 149/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   21/36 = 21 × 7/36 × 7 = 147/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   75/63 = 75 × 4/63 × 4 = 300/252
4. Add the two like fractions:
   147/252 + 300/252 = 147 + 300/252 = 447/252
5. 447/252 simplified gives 149/84
6. So, 21/36 + 75/63 = 149/84
   In mixed form: 165/84

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