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Subtract 5/7 from 7/45

7/45 - 5/7 is -176/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    7/45 = 7 × 7/45 × 7 = 49/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    5/7 = 5 × 45/7 × 45 = 225/315
  4. Subtract the two like fractions:
    49/315 - 225/315 = 49 - 225/315 = -176/315

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