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Subtract 49/48 from 20/40

1st number: 20/40, 2nd number: 1 1/48

20/40 - 49/48 is -25/48.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 48 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 40 × 6 = 240,
    20/40 = 20 × 6/40 × 6 = 120/240
  3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
    49/48 = 49 × 5/48 × 5 = 245/240
  4. Subtract the two like fractions:
    120/240 - 245/240 = 120 - 245/240 = -125/240
  5. After reducing the fraction, the answer is -25/48

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