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Subtract 48/9 from 21/8

1st number: 2 5/8, 2nd number: 5 3/9

21/8 - 48/9 is -65/24.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    21/8 = 21 × 9/8 × 9 = 189/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    48/9 = 48 × 8/9 × 8 = 384/72
  4. Subtract the two like fractions:
    189/72 - 384/72 = 189 - 384/72 = -195/72
  5. After reducing the fraction, the answer is -65/24

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