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Subtract 25/45 from 14/42

14/42 - 25/45 is -2/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    14/42 = 14 × 15/42 × 15 = 210/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    25/45 = 25 × 14/45 × 14 = 350/630
  4. Subtract the two like fractions:
    210/630 - 350/630 = 210 - 350/630 = -140/630
  5. After reducing the fraction, the answer is -2/9

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