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Subtract 20/14 from 15/36

1st number: 15/36, 2nd number: 1 6/14

15/36 - 20/14 is -85/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 14 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    15/36 = 15 × 7/36 × 7 = 105/252
  3. Likewise, for the 2nd fraction, since 14 × 18 = 252,
    20/14 = 20 × 18/14 × 18 = 360/252
  4. Subtract the two like fractions:
    105/252 - 360/252 = 105 - 360/252 = -255/252
  5. After reducing the fraction, the answer is -85/84

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