Answers

Add 54/20 and 75/56

1^st number: 2 14/20, 2^nd number: 1 19/56

54/20 + 75/56 is 1131/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   54/20 = 54 × 14/20 × 14 = 756/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   75/56 = 75 × 5/56 × 5 = 375/280
4. Add the two like fractions:
   756/280 + 375/280 = 756 + 375/280 = 1131/280
5. So, 54/20 + 75/56 = 1131/280
   In mixed form: 411/280

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