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Subtract 90/4 from 3/45

1st number: 3/45, 2nd number: 22 2/4

3/45 - 90/4 is -673/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    3/45 = 3 × 4/45 × 4 = 12/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    90/4 = 90 × 45/4 × 45 = 4050/180
  4. Subtract the two like fractions:
    12/180 - 4050/180 = 12 - 4050/180 = -4038/180
  5. After reducing the fraction, the answer is -673/30

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