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Subtract 9/7 from 8/28

1st number: 8/28, 2nd number: 1 2/7

8/28 - 9/7 is -1/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28
  2. For the 1st fraction, since 28 × 1 = 28,
    8/28 = 8 × 1/28 × 1 = 8/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    9/7 = 9 × 4/7 × 4 = 36/28
  4. Subtract the two fractions:
    8/28 - 36/28 = 8 - 36/28 = -28/28
  5. After reducing the fraction, the answer is -1/1

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