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Subtract 2/5 from 9/63

9/63 - 2/5 is -9/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 5 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    9/63 = 9 × 5/63 × 5 = 45/315
  3. Likewise, for the 2nd fraction, since 5 × 63 = 315,
    2/5 = 2 × 63/5 × 63 = 126/315
  4. Subtract the two like fractions:
    45/315 - 126/315 = 45 - 126/315 = -81/315
  5. After reducing the fraction, the answer is -9/35

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