Answers

Add 64/42 and 56/27

1^st number: 1 22/42, 2^nd number: 2 2/27

64/42 + 56/27 is 680/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 27 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 42 × 9 = 378,
   64/42 = 64 × 9/42 × 9 = 576/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   56/27 = 56 × 14/27 × 14 = 784/378
4. Add the two like fractions:
   576/378 + 784/378 = 576 + 784/378 = 1360/378
5. 1360/378 simplified gives 680/189
6. So, 64/42 + 56/27 = 680/189
   In mixed form: 3113/189

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