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Subtract 3/81 from 5/35

5/35 - 3/81 is 20/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 81 is 2835
  2. For the 1st fraction, since 35 × 81 = 2835,
    5/35 = 5 × 81/35 × 81 = 405/2835
  3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
    3/81 = 3 × 35/81 × 35 = 105/2835
  4. Subtract the two fractions:
    405/2835 - 105/2835 = 405 - 105/2835 = 300/2835
  5. After reducing the fraction, the answer is 20/189

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