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Subtract 90/30 from 36/45

1st number: 36/45, 2nd number: 3 0/30

36/45 - 90/30 is -11/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    36/45 = 36 × 2/45 × 2 = 72/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    90/30 = 90 × 3/30 × 3 = 270/90
  4. Subtract the two like fractions:
    72/90 - 270/90 = 72 - 270/90 = -198/90
  5. After reducing the fraction, the answer is -11/5

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