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Subtract 21/25 from 9/4

1st number: 2 1/4, 2nd number: 21/25

9/4 - 21/25 is 141/100.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 4 × 25 = 100,
    9/4 = 9 × 25/4 × 25 = 225/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    21/25 = 21 × 4/25 × 4 = 84/100
  4. Subtract the two like fractions:
    225/100 - 84/100 = 225 - 84/100 = 141/100
  5. In mixed form: 141/100

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