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Subtract 9/40 from 90/36

1st number: 2 18/36, 2nd number: 9/40

90/36 - 9/40 is 91/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 40 is 360
  2. For the 1st fraction, since 36 × 10 = 360,
    90/36 = 90 × 10/36 × 10 = 900/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    9/40 = 9 × 9/40 × 9 = 81/360
  4. Subtract the two fractions:
    900/360 - 81/360 = 900 - 81/360 = 819/360
  5. After reducing the fraction, the answer is 91/40
  6. In mixed form: 211/40

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