Answers

Add 60/5 and 63/21

1^st number: 12 0/5, 2^nd number: 3 0/21

60/5 + 63/21 is 15/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 5 × 21 = 105,
   60/5 = 60 × 21/5 × 21 = 1260/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   63/21 = 63 × 5/21 × 5 = 315/105
4. Add the two like fractions:
   1260/105 + 315/105 = 1260 + 315/105 = 1575/105
5. 1575/105 simplified gives 15/1
6. So, 60/5 + 63/21 = 15/1

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