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Subtract 18/84 from 36/70

36/70 - 18/84 is 3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 84 is 420
  2. For the 1st fraction, since 70 × 6 = 420,
    36/70 = 36 × 6/70 × 6 = 216/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    18/84 = 18 × 5/84 × 5 = 90/420
  4. Subtract the two fractions:
    216/420 - 90/420 = 216 - 90/420 = 126/420
  5. After reducing the fraction, the answer is 3/10

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