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Add 3/60 and 9/15

3/60 + 9/15 is 13/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 15 is 60
  2. For the 1st fraction, since 60 × 1 = 60,
    3/60 = 3 × 1/60 × 1 = 3/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    9/15 = 9 × 4/15 × 4 = 36/60
  4. Add the two fractions:
    3/60 + 36/60 = 3 + 36/60 = 39/60
  5. 39/60 simplified gives 13/20
  6. So, 3/60 + 9/15 = 13/20

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