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Subtract 12/8 from 18/4

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

18/4 - 12/8 is 3/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 8 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    12/8 = 12 × 1/8 × 1 = 12/8
  4. Subtract the two like fractions:
    36/8 - 12/8 = 36 - 12/8 = 24/8
  5. After reducing the fraction, the answer is 3/1

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