Answers

Add 56/28 and 90/54

1^st number: 2 0/28, 2^nd number: 1 36/54

56/28 + 90/54 is 11/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 28 × 27 = 756,
   56/28 = 56 × 27/28 × 27 = 1512/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   90/54 = 90 × 14/54 × 14 = 1260/756
4. Add the two like fractions:
   1512/756 + 1260/756 = 1512 + 1260/756 = 2772/756
5. 2772/756 simplified gives 11/3
6. So, 56/28 + 90/54 = 11/3
   In mixed form: 32/3

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