Answers

Add 81/56 and 72/5

1^st number: 1 25/56, 2^nd number: 14 2/5

81/56 + 72/5 is 4437/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 5 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   81/56 = 81 × 5/56 × 5 = 405/280
3. Likewise, for the 2nd fraction, since 5 × 56 = 280,
   72/5 = 72 × 56/5 × 56 = 4032/280
4. Add the two like fractions:
   405/280 + 4032/280 = 405 + 4032/280 = 4437/280
5. So, 81/56 + 72/5 = 4437/280
   In mixed form: 15237/280

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