Answers

Add 15/9 and 81/56

1^st number: 1 6/9, 2^nd number: 1 25/56

15/9 + 81/56 is 523/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 9 × 56 = 504,
   15/9 = 15 × 56/9 × 56 = 840/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   81/56 = 81 × 9/56 × 9 = 729/504
4. Add the two like fractions:
   840/504 + 729/504 = 840 + 729/504 = 1569/504
5. 1569/504 simplified gives 523/168
6. So, 15/9 + 81/56 = 523/168
   In mixed form: 319/168

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