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Subtract 4/7 from 1/9

1/9 - 4/7 is -29/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 7 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    1/9 = 1 × 7/9 × 7 = 7/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    4/7 = 4 × 9/7 × 9 = 36/63
  4. Subtract the two like fractions:
    7/63 - 36/63 = 7 - 36/63 = -29/63

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