Answers

Add 63/42 and 2/72

1^st number: 1 21/42, 2^nd number: 2/72

63/42 + 2/72 is 55/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 42 × 12 = 504,
   63/42 = 63 × 12/42 × 12 = 756/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   2/72 = 2 × 7/72 × 7 = 14/504
4. Add the two like fractions:
   756/504 + 14/504 = 756 + 14/504 = 770/504
5. 770/504 simplified gives 55/36
6. So, 63/42 + 2/72 = 55/36
   In mixed form: 119/36

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