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Subtract 63/28 from 9/8

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

9/8 - 63/28 is -9/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 28 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    9/8 = 9 × 7/8 × 7 = 63/56
  3. Likewise, for the 2nd fraction, since 28 × 2 = 56,
    63/28 = 63 × 2/28 × 2 = 126/56
  4. Subtract the two like fractions:
    63/56 - 126/56 = 63 - 126/56 = -63/56
  5. After reducing the fraction, the answer is -9/8

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