Answers

Add 56/27 and 54/42

1^st number: 2 2/27, 2^nd number: 1 12/42

56/27 + 54/42 is 635/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 42 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 27 × 14 = 378,
   56/27 = 56 × 14/27 × 14 = 784/378
3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
   54/42 = 54 × 9/42 × 9 = 486/378
4. Add the two like fractions:
   784/378 + 486/378 = 784 + 486/378 = 1270/378
5. 1270/378 simplified gives 635/189
6. So, 56/27 + 54/42 = 635/189
   In mixed form: 368/189

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