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Subtract 63/8 from 5/18

1st number: 5/18, 2nd number: 7 7/8

5/18 - 63/8 is -547/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    5/18 = 5 × 4/18 × 4 = 20/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    63/8 = 63 × 9/8 × 9 = 567/72
  4. Subtract the two fractions:
    20/72 - 567/72 = 20 - 567/72 = -547/72

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