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Subtract 4/9 from 9/7

1st number: 1 2/7, 2nd number: 4/9

9/7 - 4/9 is 53/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    9/7 = 9 × 9/7 × 9 = 81/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    4/9 = 4 × 7/9 × 7 = 28/63
  4. Subtract the two fractions:
    81/63 - 28/63 = 81 - 28/63 = 53/63

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