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Subtract 9/7 from 45/4

1st number: 11 1/4, 2nd number: 1 2/7

45/4 - 9/7 is 279/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28
  2. For the 1st fraction, since 4 × 7 = 28,
    45/4 = 45 × 7/4 × 7 = 315/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    9/7 = 9 × 4/7 × 4 = 36/28
  4. Subtract the two fractions:
    315/28 - 36/28 = 315 - 36/28 = 279/28
  5. In mixed form: 927/28

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