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Subtract 27/25 from 63/90

1st number: 63/90, 2nd number: 1 2/25

63/90 - 27/25 is -19/50.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 25 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    63/90 = 63 × 5/90 × 5 = 315/450
  3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
    27/25 = 27 × 18/25 × 18 = 486/450
  4. Subtract the two like fractions:
    315/450 - 486/450 = 315 - 486/450 = -171/450
  5. After reducing the fraction, the answer is -19/50

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