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Subtract 42/3 from 10/20

1st number: 10/20, 2nd number: 14 0/3

10/20 - 42/3 is -27/2.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    10/20 = 10 × 3/20 × 3 = 30/60
  3. Likewise, for the 2nd fraction, since 3 × 20 = 60,
    42/3 = 42 × 20/3 × 20 = 840/60
  4. Subtract the two like fractions:
    30/60 - 840/60 = 30 - 840/60 = -810/60
  5. After reducing the fraction, the answer is -27/2

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