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Subtract 45/40 from 90/36

1st number: 2 18/36, 2nd number: 1 5/40

90/36 - 45/40 is 11/8.

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,
    45/40 = 45 × 9/40 × 9 = 405/360
  4. Subtract the two fractions:
    900/360 - 405/360 = 900 - 405/360 = 495/360
  5. After reducing the fraction, the answer is 11/8
  6. In mixed form: 13/8

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