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Subtract 25/8 from 4/9

1st number: 4/9, 2nd number: 3 1/8

4/9 - 25/8 is -193/72.

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,
    4/9 = 4 × 8/9 × 8 = 32/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    25/8 = 25 × 9/8 × 9 = 225/72
  4. Subtract the two like fractions:
    32/72 - 225/72 = 32 - 225/72 = -193/72

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