Answers

Add 42/56 and 45/75

42/56 + 45/75 is 27/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 75 is 4200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4200
2. For the 1st fraction, since 56 × 75 = 4200,
   42/56 = 42 × 75/56 × 75 = 3150/4200
3. Likewise, for the 2nd fraction, since 75 × 56 = 4200,
   45/75 = 45 × 56/75 × 56 = 2520/4200
4. Add the two like fractions:
   3150/4200 + 2520/4200 = 3150 + 2520/4200 = 5670/4200
5. 5670/4200 simplified gives 27/20
6. So, 42/56 + 45/75 = 27/20
   In mixed form: 17/20

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