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Subtract 3/7 from 9/4

1st number: 2 1/4, 2nd number: 3/7

9/4 - 3/7 is 51/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    9/4 = 9 × 7/4 × 7 = 63/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    3/7 = 3 × 4/7 × 4 = 12/28
  4. Subtract the two like fractions:
    63/28 - 12/28 = 63 - 12/28 = 51/28
  5. In mixed form: 123/28

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