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Subtract 4/45 from 45/12

1st number: 3 9/12, 2nd number: 4/45

45/12 - 4/45 is 659/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    45/12 = 45 × 15/12 × 15 = 675/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    4/45 = 4 × 4/45 × 4 = 16/180
  4. Subtract the two like fractions:
    675/180 - 16/180 = 675 - 16/180 = 659/180
  5. In mixed form: 3119/180

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