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Subtract 50/36 from 40/90

1st number: 40/90, 2nd number: 1 14/36

40/90 - 50/36 is -17/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 36 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    40/90 = 40 × 2/90 × 2 = 80/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    50/36 = 50 × 5/36 × 5 = 250/180
  4. Subtract the two fractions:
    80/180 - 250/180 = 80 - 250/180 = -170/180
  5. After reducing the fraction, the answer is -17/18

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