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Add 21/42 and 1/60

21/42 + 1/60 is 31/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 60 is 420
  2. For the 1st fraction, since 42 × 10 = 420,
    21/42 = 21 × 10/42 × 10 = 210/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    1/60 = 1 × 7/60 × 7 = 7/420
  4. Add the two fractions:
    210/420 + 7/420 = 210 + 7/420 = 217/420
  5. After reducing the fraction, the answer is 31/60

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