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Add 36/60 and 27/42

36/60 + 27/42 is 87/70.

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,
    36/60 = 36 × 7/60 × 7 = 252/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    27/42 = 27 × 10/42 × 10 = 270/420
  4. Add the two like fractions:
    252/420 + 270/420 = 252 + 270/420 = 522/420
  5. 522/420 simplified gives 87/70
  6. So, 36/60 + 27/42 = 87/70
    In mixed form: 117/70

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