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Subtract 90/8 from 18/2

1st number: 9 0/2, 2nd number: 11 2/8

18/2 - 90/8 is -9/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 8 is 8
  2. For the 1st fraction, since 2 × 4 = 8,
    18/2 = 18 × 4/2 × 4 = 72/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    90/8 = 90 × 1/8 × 1 = 90/8
  4. Subtract the two fractions:
    72/8 - 90/8 = 72 - 90/8 = -18/8
  5. After reducing the fraction, the answer is -9/4

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