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Subtract 3/8 from 18/9

1st number: 2 0/9, 2nd number: 3/8

18/9 - 3/8 is 13/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    18/9 = 18 × 8/9 × 8 = 144/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    3/8 = 3 × 9/8 × 9 = 27/72
  4. Subtract the two like fractions:
    144/72 - 27/72 = 144 - 27/72 = 117/72
  5. After reducing the fraction, the answer is 13/8
  6. In mixed form: 15/8

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