Answers

Add 7/42 and 56/27

1^st number: 7/42, 2^nd number: 2 2/27

7/42 + 56/27 is 121/54.

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,
   7/42 = 7 × 9/42 × 9 = 63/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   56/27 = 56 × 14/27 × 14 = 784/378
4. Add the two like fractions:
   63/378 + 784/378 = 63 + 784/378 = 847/378
5. 847/378 simplified gives 121/54
6. So, 7/42 + 56/27 = 121/54
   In mixed form: 213/54

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