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Subtract 3/9 from 1/10

1/10 - 3/9 is -7/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    1/10 = 1 × 9/10 × 9 = 9/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    3/9 = 3 × 10/9 × 10 = 30/90
  4. Subtract the two fractions:
    9/90 - 30/90 = 9 - 30/90 = -21/90
  5. After reducing the fraction, the answer is -7/30

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