Answers

Add 63/21 and 54/6

1^st number: 3 0/21, 2^nd number: 9 0/6

63/21 + 54/6 is 12/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   63/21 = 63 × 2/21 × 2 = 126/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   54/6 = 54 × 7/6 × 7 = 378/42
4. Add the two like fractions:
   126/42 + 378/42 = 126 + 378/42 = 504/42
5. 504/42 simplified gives 12/1
6. So, 63/21 + 54/6 = 12/1

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