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Subtract 9/7 from 45/8

1st number: 5 5/8, 2nd number: 1 2/7

45/8 - 9/7 is 243/56.

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,
    45/8 = 45 × 7/8 × 7 = 315/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    9/7 = 9 × 8/7 × 8 = 72/56
  4. Subtract the two fractions:
    315/56 - 72/56 = 315 - 72/56 = 243/56
  5. In mixed form: 419/56

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