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Subtract 90/27 from 4/90

1st number: 4/90, 2nd number: 3 9/27

4/90 - 90/27 is -148/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 27 is 270
  2. For the 1st fraction, since 90 × 3 = 270,
    4/90 = 4 × 3/90 × 3 = 12/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    90/27 = 90 × 10/27 × 10 = 900/270
  4. Subtract the two fractions:
    12/270 - 900/270 = 12 - 900/270 = -888/270
  5. After reducing the fraction, the answer is -148/45

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