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Subtract 42/27 from 4/45

1st number: 4/45, 2nd number: 1 15/27

4/45 - 42/27 is -22/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 45 × 3 = 135,
    4/45 = 4 × 3/45 × 3 = 12/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    42/27 = 42 × 5/27 × 5 = 210/135
  4. Subtract the two like fractions:
    12/135 - 210/135 = 12 - 210/135 = -198/135
  5. After reducing the fraction, the answer is -22/15

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