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Subtract 12/90 from 32/28

1st number: 1 4/28, 2nd number: 12/90

32/28 - 12/90 is 106/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    32/28 = 32 × 45/28 × 45 = 1440/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    12/90 = 12 × 14/90 × 14 = 168/1260
  4. Subtract the two like fractions:
    1440/1260 - 168/1260 = 1440 - 168/1260 = 1272/1260
  5. After reducing the fraction, the answer is 106/105
  6. In mixed form: 11/105

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