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Add 21/75 and 2/70

21/75 + 2/70 is 54/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 70 is 1050
  2. For the 1st fraction, since 75 × 14 = 1050,
    21/75 = 21 × 14/75 × 14 = 294/1050
  3. Likewise, for the 2nd fraction, since 70 × 15 = 1050,
    2/70 = 2 × 15/70 × 15 = 30/1050
  4. Add the two fractions:
    294/1050 + 30/1050 = 294 + 30/1050 = 324/1050
  5. After reducing the fraction, the answer is 54/175

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