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Subtract 30/36 from 30/45

30/45 - 30/36 is -1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 36 is 180
  2. For the 1st fraction, since 45 × 4 = 180,
    30/45 = 30 × 4/45 × 4 = 120/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    30/36 = 30 × 5/36 × 5 = 150/180
  4. Subtract the two fractions:
    120/180 - 150/180 = 120 - 150/180 = -30/180
  5. After reducing the fraction, the answer is -1/6

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