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Subtract 8/9 from 8/7

1st number: 1 1/7, 2nd number: 8/9

8/7 - 8/9 is 16/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    8/7 = 8 × 9/7 × 9 = 72/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    8/9 = 8 × 7/9 × 7 = 56/63
  4. Subtract the two fractions:
    72/63 - 56/63 = 72 - 56/63 = 16/63

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