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Subtract 45/7 from 9/8

1st number: 1 1/8, 2nd number: 6 3/7

9/8 - 45/7 is -297/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 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 7 × 8 = 56,
    45/7 = 45 × 8/7 × 8 = 360/56
  4. Subtract the two fractions:
    63/56 - 360/56 = 63 - 360/56 = -297/56

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