Answers

Add 64/42 and 3/12

1^st number: 1 22/42, 2^nd number: 3/12

64/42 + 3/12 is 149/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   64/42 = 64 × 2/42 × 2 = 128/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   3/12 = 3 × 7/12 × 7 = 21/84
4. Add the two like fractions:
   128/84 + 21/84 = 128 + 21/84 = 149/84
5. So, 64/42 + 3/12 = 149/84
   In mixed form: 165/84

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