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Subtract 10/5 from 10/20

1st number: 10/20, 2nd number: 2 0/5

10/20 - 10/5 is -3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    10/20 = 10 × 1/20 × 1 = 10/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    10/5 = 10 × 4/5 × 4 = 40/20
  4. Subtract the two like fractions:
    10/20 - 40/20 = 10 - 40/20 = -30/20
  5. After reducing the fraction, the answer is -3/2

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