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Add 21/28 and 6/75

21/28 + 6/75 is 83/100.

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,
    21/28 = 21 × 75/28 × 75 = 1575/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    6/75 = 6 × 28/75 × 28 = 168/2100
  4. Add the two fractions:
    1575/2100 + 168/2100 = 1575 + 168/2100 = 1743/2100
  5. After reducing the fraction, the answer is 83/100

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