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Subtract 16/12 from 1/45

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

1/45 - 16/12 is -59/45.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    1/45 = 1 × 4/45 × 4 = 4/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    16/12 = 16 × 15/12 × 15 = 240/180
  4. Subtract the two like fractions:
    4/180 - 240/180 = 4 - 240/180 = -236/180
  5. After reducing the fraction, the answer is -59/45

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