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Subtract 5/6 from 20/56

20/56 - 5/6 is -10/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 6 is 168
  2. For the 1st fraction, since 56 × 3 = 168,
    20/56 = 20 × 3/56 × 3 = 60/168
  3. Likewise, for the 2nd fraction, since 6 × 28 = 168,
    5/6 = 5 × 28/6 × 28 = 140/168
  4. Subtract the two fractions:
    60/168 - 140/168 = 60 - 140/168 = -80/168
  5. After reducing the fraction, the answer is -10/21

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