Answers

Add 72/18 and 45/56

1^st number: 4 0/18, 2^nd number: 45/56

72/18 + 45/56 is 269/56.

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,
   72/18 = 72 × 28/18 × 28 = 2016/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   45/56 = 45 × 9/56 × 9 = 405/504
4. Add the two like fractions:
   2016/504 + 405/504 = 2016 + 405/504 = 2421/504
5. 2421/504 simplified gives 269/56
6. So, 72/18 + 45/56 = 269/56
   In mixed form: 445/56

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