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Subtract 1/90 from 5/7

5/7 - 1/90 is 443/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    5/7 = 5 × 90/7 × 90 = 450/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  4. Subtract the two like fractions:
    450/630 - 7/630 = 450 - 7/630 = 443/630

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