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Add 12/28 and 14/60

12/28 + 14/60 is 139/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 60 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    12/28 = 12 × 15/28 × 15 = 180/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    14/60 = 14 × 7/60 × 7 = 98/420
  4. Add the two fractions:
    180/420 + 98/420 = 180 + 98/420 = 278/420
  5. 278/420 simplified gives 139/210
  6. So, 12/28 + 14/60 = 139/210

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