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Subtract 2/10 from 4/63

4/63 - 2/10 is -43/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 10 is 630
  2. For the 1st fraction, since 63 × 10 = 630,
    4/63 = 4 × 10/63 × 10 = 40/630
  3. Likewise, for the 2nd fraction, since 10 × 63 = 630,
    2/10 = 2 × 63/10 × 63 = 126/630
  4. Subtract the two fractions:
    40/630 - 126/630 = 40 - 126/630 = -86/630
  5. After reducing the fraction, the answer is -43/315

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