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Subtract 1/20 from 42/36

1st number: 1 6/36, 2nd number: 1/20

42/36 - 1/20 is 67/60.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    42/36 = 42 × 5/36 × 5 = 210/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    1/20 = 1 × 9/20 × 9 = 9/180
  4. Subtract the two like fractions:
    210/180 - 9/180 = 210 - 9/180 = 201/180
  5. After reducing the fraction, the answer is 67/60
  6. In mixed form: 17/60

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