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Subtract 20/63 from 2/9

2/9 - 20/63 is -2/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 63 is 63
  2. For the 1st fraction, since 9 × 7 = 63,
    2/9 = 2 × 7/9 × 7 = 14/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    20/63 = 20 × 1/63 × 1 = 20/63
  4. Subtract the two fractions:
    14/63 - 20/63 = 14 - 20/63 = -6/63
  5. After reducing the fraction, the answer is -2/21

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