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Subtract 18/8 from 18/4

1st number: 4 2/4, 2nd number: 2 2/8

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

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 8 is 8
  2. For the 1st fraction, since 4 × 2 = 8,
    18/4 = 18 × 2/4 × 2 = 36/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    18/8 = 18 × 1/8 × 1 = 18/8
  4. Subtract the two fractions:
    36/8 - 18/8 = 36 - 18/8 = 18/8
  5. After reducing the fraction, the answer is 9/4
  6. In mixed form: 21/4

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