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Subtract 8/84 from 20/35

20/35 - 8/84 is 10/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 84 is 420
  2. For the 1st fraction, since 35 × 12 = 420,
    20/35 = 20 × 12/35 × 12 = 240/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    8/84 = 8 × 5/84 × 5 = 40/420
  4. Subtract the two fractions:
    240/420 - 40/420 = 240 - 40/420 = 200/420
  5. After reducing the fraction, the answer is 10/21

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