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Subtract 5/4 from 80/9

1st number: 8 8/9, 2nd number: 1 1/4

80/9 - 5/4 is 275/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    80/9 = 80 × 4/9 × 4 = 320/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    5/4 = 5 × 9/4 × 9 = 45/36
  4. Subtract the two like fractions:
    320/36 - 45/36 = 320 - 45/36 = 275/36
  5. In mixed form: 723/36

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