Answers

Add 15/56 and 9/5

1^st number: 15/56, 2^nd number: 1 4/5

15/56 + 9/5 is 579/280.

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,
   15/56 = 15 × 5/56 × 5 = 75/280
3. Likewise, for the 2nd fraction, since 5 × 56 = 280,
   9/5 = 9 × 56/5 × 56 = 504/280
4. Add the two like fractions:
   75/280 + 504/280 = 75 + 504/280 = 579/280
5. So, 15/56 + 9/5 = 579/280
   In mixed form: 219/280

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