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Subtract 20/10 from 9/2

1st number: 4 1/2, 2nd number: 2 0/10

9/2 - 20/10 is 5/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 10 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 2 × 5 = 10,
    9/2 = 9 × 5/2 × 5 = 45/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    20/10 = 20 × 1/10 × 1 = 20/10
  4. Subtract the two like fractions:
    45/10 - 20/10 = 45 - 20/10 = 25/10
  5. After reducing the fraction, the answer is 5/2
  6. In mixed form: 21/2

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