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Subtract 9/7 from 18/36

1st number: 18/36, 2nd number: 1 2/7

18/36 - 9/7 is -11/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 7 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    18/36 = 18 × 7/36 × 7 = 126/252
  3. Likewise, for the 2nd fraction, since 7 × 36 = 252,
    9/7 = 9 × 36/7 × 36 = 324/252
  4. Subtract the two like fractions:
    126/252 - 324/252 = 126 - 324/252 = -198/252
  5. After reducing the fraction, the answer is -11/14

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