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Add 42/56 and 72/75

42/56 + 72/75 is 171/100.

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,
    72/75 = 72 × 56/75 × 56 = 4032/4200
  4. Add the two like fractions:
    3150/4200 + 4032/4200 = 3150 + 4032/4200 = 7182/4200
  5. 7182/4200 simplified gives 171/100
  6. So, 42/56 + 72/75 = 171/100
    In mixed form: 171/100

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