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Subtract 90/6 from 54/45

1st number: 1 9/45, 2nd number: 15 0/6

54/45 - 90/6 is -69/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 6 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    54/45 = 54 × 2/45 × 2 = 108/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    90/6 = 90 × 15/6 × 15 = 1350/90
  4. Subtract the two like fractions:
    108/90 - 1350/90 = 108 - 1350/90 = -1242/90
  5. After reducing the fraction, the answer is -69/5

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