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Add 15/28 and 10/75

15/28 + 10/75 is 281/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 75 is 2100
  2. For the 1st fraction, since 28 × 75 = 2100,
    15/28 = 15 × 75/28 × 75 = 1125/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    10/75 = 10 × 28/75 × 28 = 280/2100
  4. Add the two fractions:
    1125/2100 + 280/2100 = 1125 + 280/2100 = 1405/2100
  5. After reducing the fraction, the answer is 281/420

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