Answers

Add 56/54 and 45/20

1^st number: 1 2/54, 2^nd number: 2 5/20

56/54 + 45/20 is 355/108.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   56/54 = 56 × 10/54 × 10 = 560/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   45/20 = 45 × 27/20 × 27 = 1215/540
4. Add the two like fractions:
   560/540 + 1215/540 = 560 + 1215/540 = 1775/540
5. 1775/540 simplified gives 355/108
6. So, 56/54 + 45/20 = 355/108
   In mixed form: 331/108

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