Answers

Add 45/56 and 75/72

1^st number: 45/56, 2^nd number: 1 3/72

45/56 + 75/72 is 155/84.

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,
   45/56 = 45 × 9/56 × 9 = 405/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   75/72 = 75 × 7/72 × 7 = 525/504
4. Add the two like fractions:
   405/504 + 525/504 = 405 + 525/504 = 930/504
5. 930/504 simplified gives 155/84
6. So, 45/56 + 75/72 = 155/84
   In mixed form: 171/84

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