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Subtract 18/8 from 18/16

1st number: 1 2/16, 2nd number: 2 2/8

18/16 - 18/8 is -9/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 8 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 16 × 1 = 16,
    18/16 = 18 × 1/16 × 1 = 18/16
  3. Likewise, for the 2nd fraction, since 8 × 2 = 16,
    18/8 = 18 × 2/8 × 2 = 36/16
  4. Subtract the two like fractions:
    18/16 - 36/16 = 18 - 36/16 = -18/16
  5. After reducing the fraction, the answer is -9/8

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