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Subtract 20/14 from 5/4

1st number: 1 1/4, 2nd number: 1 6/14

5/4 - 20/14 is -5/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 14 is 28
  2. For the 1st fraction, since 4 × 7 = 28,
    5/4 = 5 × 7/4 × 7 = 35/28
  3. Likewise, for the 2nd fraction, since 14 × 2 = 28,
    20/14 = 20 × 2/14 × 2 = 40/28
  4. Subtract the two fractions:
    35/28 - 40/28 = 35 - 40/28 = -5/28

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