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Subtract 8/14 from 10/90

10/90 - 8/14 is -29/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 14 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    10/90 = 10 × 7/90 × 7 = 70/630
  3. Likewise, for the 2nd fraction, since 14 × 45 = 630,
    8/14 = 8 × 45/14 × 45 = 360/630
  4. Subtract the two like fractions:
    70/630 - 360/630 = 70 - 360/630 = -290/630
  5. After reducing the fraction, the answer is -29/63

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