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Subtract 49/8 from 21/9

1st number: 2 3/9, 2nd number: 6 1/8

21/9 - 49/8 is -91/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    21/9 = 21 × 8/9 × 8 = 168/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    49/8 = 49 × 9/8 × 9 = 441/72
  4. Subtract the two like fractions:
    168/72 - 441/72 = 168 - 441/72 = -273/72
  5. After reducing the fraction, the answer is -91/24

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