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Subtract 5/9 from 7/8

7/8 - 5/9 is 23/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72
  2. For the 1st fraction, since 8 × 9 = 72,
    7/8 = 7 × 9/8 × 9 = 63/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    5/9 = 5 × 8/9 × 8 = 40/72
  4. Subtract the two fractions:
    63/72 - 40/72 = 63 - 40/72 = 23/72

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