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Subtract 2/4 from 20/18

1st number: 1 2/18, 2nd number: 2/4

20/18 - 2/4 is 11/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 18 × 2 = 36,
    20/18 = 20 × 2/18 × 2 = 40/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    2/4 = 2 × 9/4 × 9 = 18/36
  4. Subtract the two like fractions:
    40/36 - 18/36 = 40 - 18/36 = 22/36
  5. After reducing the fraction, the answer is 11/18

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