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Add 12/60 and 27/42

12/60 + 27/42 is 59/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 42 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    12/60 = 12 × 7/60 × 7 = 84/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    27/42 = 27 × 10/42 × 10 = 270/420
  4. Add the two like fractions:
    84/420 + 270/420 = 84 + 270/420 = 354/420
  5. 354/420 simplified gives 59/70
  6. So, 12/60 + 27/42 = 59/70

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