Answers

Add 15/56 and 72/18

1^st number: 15/56, 2^nd number: 4 0/18

15/56 + 72/18 is 239/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 18 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 56 × 9 = 504,
   15/56 = 15 × 9/56 × 9 = 135/504
3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
   72/18 = 72 × 28/18 × 28 = 2016/504
4. Add the two like fractions:
   135/504 + 2016/504 = 135 + 2016/504 = 2151/504
5. 2151/504 simplified gives 239/56
6. So, 15/56 + 72/18 = 239/56
   In mixed form: 415/56

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