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Subtract 12/4 from 25/18

1st number: 1 7/18, 2nd number: 3 0/4

25/18 - 12/4 is -29/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 18 × 2 = 36,
    25/18 = 25 × 2/18 × 2 = 50/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    12/4 = 12 × 9/4 × 9 = 108/36
  4. Subtract the two like fractions:
    50/36 - 108/36 = 50 - 108/36 = -58/36
  5. After reducing the fraction, the answer is -29/18

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