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Subtract 5/10 from 42/20

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

42/20 - 5/10 is 8/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    42/20 = 42 × 1/20 × 1 = 42/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    5/10 = 5 × 2/10 × 2 = 10/20
  4. Subtract the two like fractions:
    42/20 - 10/20 = 42 - 10/20 = 32/20
  5. After reducing the fraction, the answer is 8/5
  6. In mixed form: 13/5

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