Answers

Add 21/63 and 54/12

1^st number: 21/63, 2^nd number: 4 6/12

21/63 + 54/12 is 29/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 12 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   21/63 = 21 × 4/63 × 4 = 84/252
3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
   54/12 = 54 × 21/12 × 21 = 1134/252
4. Add the two like fractions:
   84/252 + 1134/252 = 84 + 1134/252 = 1218/252
5. 1218/252 simplified gives 29/6
6. So, 21/63 + 54/12 = 29/6
   In mixed form: 45/6

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