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Subtract 2/35 from 7/90

7/90 - 2/35 is 13/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 35 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    7/90 = 7 × 7/90 × 7 = 49/630
  3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
    2/35 = 2 × 18/35 × 18 = 36/630
  4. Subtract the two fractions:
    49/630 - 36/630 = 49 - 36/630 = 13/630

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