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Subtract 12/90 from 4/2

1st number: 2 0/2, 2nd number: 12/90

4/2 - 12/90 is 28/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    4/2 = 4 × 45/2 × 45 = 180/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    12/90 = 12 × 1/90 × 1 = 12/90
  4. Subtract the two fractions:
    180/90 - 12/90 = 180 - 12/90 = 168/90
  5. After reducing the fraction, the answer is 28/15
  6. In mixed form: 113/15

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