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Subtract 9/4 from 84/30

1st number: 2 24/30, 2nd number: 2 1/4

84/30 - 9/4 is 11/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 4 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    84/30 = 84 × 2/30 × 2 = 168/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    9/4 = 9 × 15/4 × 15 = 135/60
  4. Subtract the two like fractions:
    168/60 - 135/60 = 168 - 135/60 = 33/60
  5. After reducing the fraction, the answer is 11/20

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