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Add 15/28 and 24/60

15/28 + 24/60 is 131/140.

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,
    15/28 = 15 × 15/28 × 15 = 225/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    24/60 = 24 × 7/60 × 7 = 168/420
  4. Add the two fractions:
    225/420 + 168/420 = 225 + 168/420 = 393/420
  5. 393/420 simplified gives 131/140
  6. So, 15/28 + 24/60 = 131/140

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