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Add 12/60 and 15/40

12/60 + 15/40 is 23/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 60 × 2 = 120,
    12/60 = 12 × 2/60 × 2 = 24/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    15/40 = 15 × 3/40 × 3 = 45/120
  4. Add the two like fractions:
    24/120 + 45/120 = 24 + 45/120 = 69/120
  5. 69/120 simplified gives 23/40
  6. So, 12/60 + 15/40 = 23/40

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