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Subtract 20/7 from 5/12

1st number: 5/12, 2nd number: 2 6/7

5/12 - 20/7 is -205/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    5/12 = 5 × 7/12 × 7 = 35/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    20/7 = 20 × 12/7 × 12 = 240/84
  4. Subtract the two fractions:
    35/84 - 240/84 = 35 - 240/84 = -205/84

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