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Subtract 30/21 from 5/36

1st number: 5/36, 2nd number: 1 9/21

5/36 - 30/21 is -325/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    5/36 = 5 × 7/36 × 7 = 35/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    30/21 = 30 × 12/21 × 12 = 360/252
  4. Subtract the two like fractions:
    35/252 - 360/252 = 35 - 360/252 = -325/252

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