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Subtract 5/90 from 4/10

4/10 - 5/90 is 31/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    4/10 = 4 × 9/10 × 9 = 36/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    5/90 = 5 × 1/90 × 1 = 5/90
  4. Subtract the two like fractions:
    36/90 - 5/90 = 36 - 5/90 = 31/90

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