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Subtract 21/8 from 21/48

1st number: 21/48, 2nd number: 2 5/8

21/48 - 21/8 is -35/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 8 is 48

    Next, find the equivalent fraction of both fractional numbers with denominator 48
  2. For the 1st fraction, since 48 × 1 = 48,
    21/48 = 21 × 1/48 × 1 = 21/48
  3. Likewise, for the 2nd fraction, since 8 × 6 = 48,
    21/8 = 21 × 6/8 × 6 = 126/48
  4. Subtract the two like fractions:
    21/48 - 126/48 = 21 - 126/48 = -105/48
  5. After reducing the fraction, the answer is -35/16

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