Answers

Add 15/18 and 81/56

1^st number: 15/18, 2^nd number: 1 25/56

15/18 + 81/56 is 383/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 18 × 28 = 504,
   15/18 = 15 × 28/18 × 28 = 420/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   81/56 = 81 × 9/56 × 9 = 729/504
4. Add the two like fractions:
   420/504 + 729/504 = 420 + 729/504 = 1149/504
5. 1149/504 simplified gives 383/168
6. So, 15/18 + 81/56 = 383/168
   In mixed form: 247/168

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