Answers

Add 63/21 and 54/18

1^st number: 3 0/21, 2^nd number: 3 0/18

63/21 + 54/18 is 6/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 21 × 6 = 126,
   63/21 = 63 × 6/21 × 6 = 378/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   54/18 = 54 × 7/18 × 7 = 378/126
4. Add the two like fractions:
   378/126 + 378/126 = 378 + 378/126 = 756/126
5. 756/126 simplified gives 6/1
6. So, 63/21 + 54/18 = 6/1

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