Answers

Add 56/20 and 3/54

1^st number: 2 16/20, 2^nd number: 3/54

56/20 + 3/54 is 257/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   56/20 = 56 × 27/20 × 27 = 1512/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   3/54 = 3 × 10/54 × 10 = 30/540
4. Add the two like fractions:
   1512/540 + 30/540 = 1512 + 30/540 = 1542/540
5. 1542/540 simplified gives 257/90
6. So, 56/20 + 3/54 = 257/90
   In mixed form: 277/90

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