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Subtract 7/9 from 18/8

1st number: 2 2/8, 2nd number: 7/9

18/8 - 7/9 is 53/36.

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,
    18/8 = 18 × 9/8 × 9 = 162/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    7/9 = 7 × 8/9 × 8 = 56/72
  4. Subtract the two fractions:
    162/72 - 56/72 = 162 - 56/72 = 106/72
  5. After reducing the fraction, the answer is 53/36
  6. In mixed form: 117/36

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