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Subtract 9/90 from 1/35

1/35 - 9/90 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    1/35 = 1 × 18/35 × 18 = 18/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    9/90 = 9 × 7/90 × 7 = 63/630
  4. Subtract the two fractions:
    18/630 - 63/630 = 18 - 63/630 = -45/630
  5. After reducing the fraction, the answer is -1/14

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