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Subtract 18/30 from 2/4

2/4 - 18/30 is -1/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    2/4 = 2 × 15/4 × 15 = 30/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    18/30 = 18 × 2/30 × 2 = 36/60
  4. Subtract the two like fractions:
    30/60 - 36/60 = 30 - 36/60 = -6/60
  5. After reducing the fraction, the answer is -1/10

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