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Subtract 42/20 from 1/3

1st number: 1/3, 2nd number: 2 2/20

1/3 - 42/20 is -53/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 3 × 20 = 60,
    1/3 = 1 × 20/3 × 20 = 20/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    42/20 = 42 × 3/20 × 3 = 126/60
  4. Subtract the two like fractions:
    20/60 - 126/60 = 20 - 126/60 = -106/60
  5. After reducing the fraction, the answer is -53/30

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