Answers

Add 54/56 and 42/28

1^st number: 54/56, 2^nd number: 1 14/28

54/56 + 42/28 is 69/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 28 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 56 × 1 = 56,
   54/56 = 54 × 1/56 × 1 = 54/56
3. Likewise, for the 2nd fraction, since 28 × 2 = 56,
   42/28 = 42 × 2/28 × 2 = 84/56
4. Add the two like fractions:
   54/56 + 84/56 = 54 + 84/56 = 138/56
5. 138/56 simplified gives 69/28
6. So, 54/56 + 42/28 = 69/28
   In mixed form: 213/28

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