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Subtract 45/90 from 3/4

3/4 - 45/90 is 1/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    3/4 = 3 × 45/4 × 45 = 135/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    45/90 = 45 × 2/90 × 2 = 90/180
  4. Subtract the two fractions:
    135/180 - 90/180 = 135 - 90/180 = 45/180
  5. After reducing the fraction, the answer is 1/4

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