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Add 20/75 and 5/70

20/75 + 5/70 is 71/210.

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,
    20/75 = 20 × 14/75 × 14 = 280/1050
  3. Likewise, for the 2nd fraction, since 70 × 15 = 1050,
    5/70 = 5 × 15/70 × 15 = 75/1050
  4. Add the two fractions:
    280/1050 + 75/1050 = 280 + 75/1050 = 355/1050
  5. After reducing the fraction, the answer is 71/210

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