Answers

Add 63/12 and 54/30

1^st number: 5 3/12, 2^nd number: 1 24/30

63/12 + 54/30 is 141/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   63/12 = 63 × 5/12 × 5 = 315/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   54/30 = 54 × 2/30 × 2 = 108/60
4. Add the two like fractions:
   315/60 + 108/60 = 315 + 108/60 = 423/60
5. 423/60 simplified gives 141/20
6. So, 63/12 + 54/30 = 141/20
   In mixed form: 71/20

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