Answers

Add 12/75 and 63/42

1^st number: 12/75, 2^nd number: 1 21/42

12/75 + 63/42 is 83/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 42 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 75 × 14 = 1050,
   12/75 = 12 × 14/75 × 14 = 168/1050
3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
   63/42 = 63 × 25/42 × 25 = 1575/1050
4. Add the two like fractions:
   168/1050 + 1575/1050 = 168 + 1575/1050 = 1743/1050
5. 1743/1050 simplified gives 83/50
6. So, 12/75 + 63/42 = 83/50
   In mixed form: 133/50

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