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Subtract 20/36 from 30/20

1st number: 1 10/20, 2nd number: 20/36

30/20 - 20/36 is 17/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    30/20 = 30 × 9/20 × 9 = 270/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    20/36 = 20 × 5/36 × 5 = 100/180
  4. Subtract the two like fractions:
    270/180 - 100/180 = 270 - 100/180 = 170/180
  5. After reducing the fraction, the answer is 17/18

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