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Add 4/60 and 2/21

4/60 + 2/21 is 17/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 21 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    4/60 = 4 × 7/60 × 7 = 28/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    2/21 = 2 × 20/21 × 20 = 40/420
  4. Add the two like fractions:
    28/420 + 40/420 = 28 + 40/420 = 68/420
  5. 68/420 simplified gives 17/105
  6. So, 4/60 + 2/21 = 17/105

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