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Subtract 7/18 from 1/10

1/10 - 7/18 is -13/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 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 18 × 5 = 90,
    7/18 = 7 × 5/18 × 5 = 35/90
  4. Subtract the two fractions:
    9/90 - 35/90 = 9 - 35/90 = -26/90
  5. After reducing the fraction, the answer is -13/45

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