Answers

Add 15/56 and 75/72

1^st number: 15/56, 2^nd number: 1 3/72

15/56 + 75/72 is 55/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 72 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 72 × 7 = 504,
   75/72 = 75 × 7/72 × 7 = 525/504
4. Add the two like fractions:
   135/504 + 525/504 = 135 + 525/504 = 660/504
5. 660/504 simplified gives 55/42
6. So, 15/56 + 75/72 = 55/42
   In mixed form: 113/42

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