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Subtract 50/45 from 54/90

1st number: 54/90, 2nd number: 1 5/45

54/90 - 50/45 is -23/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    54/90 = 54 × 1/90 × 1 = 54/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    50/45 = 50 × 2/45 × 2 = 100/90
  4. Subtract the two like fractions:
    54/90 - 100/90 = 54 - 100/90 = -46/90
  5. After reducing the fraction, the answer is -23/45

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