Answers

Add 64/42 and 12/63

1^st number: 1 22/42, 2^nd number: 12/63

64/42 + 12/63 is 12/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   64/42 = 64 × 3/42 × 3 = 192/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   12/63 = 12 × 2/63 × 2 = 24/126
4. Add the two like fractions:
   192/126 + 24/126 = 192 + 24/126 = 216/126
5. 216/126 simplified gives 12/7
6. So, 64/42 + 12/63 = 12/7
   In mixed form: 15/7

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