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Subtract 7/72 from 10/9

1st number: 1 1/9, 2nd number: 7/72

10/9 - 7/72 is 73/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    10/9 = 10 × 8/9 × 8 = 80/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    7/72 = 7 × 1/72 × 1 = 7/72
  4. Subtract the two like fractions:
    80/72 - 7/72 = 80 - 7/72 = 73/72
  5. In mixed form: 11/72

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