Answers

Add 63/12 and 56/21

1^st number: 5 3/12, 2^nd number: 2 14/21

63/12 + 56/21 is 95/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   63/12 = 63 × 7/12 × 7 = 441/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   56/21 = 56 × 4/21 × 4 = 224/84
4. Add the two like fractions:
   441/84 + 224/84 = 441 + 224/84 = 665/84
5. 665/84 simplified gives 95/12
6. So, 63/12 + 56/21 = 95/12
   In mixed form: 711/12

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