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Subtract 1/90 from 3/35

3/35 - 1/90 is 47/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    3/35 = 3 × 18/35 × 18 = 54/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  4. Subtract the two like fractions:
    54/630 - 7/630 = 54 - 7/630 = 47/630

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