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Subtract 81/16 from 4/2

1st number: 2 0/2, 2nd number: 5 1/16

4/2 - 81/16 is -49/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 16 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 2 × 8 = 16,
    4/2 = 4 × 8/2 × 8 = 32/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    81/16 = 81 × 1/16 × 1 = 81/16
  4. Subtract the two like fractions:
    32/16 - 81/16 = 32 - 81/16 = -49/16

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