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Subtract 49/10 from 12/5

1st number: 2 2/5, 2nd number: 4 9/10

12/5 - 49/10 is -5/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 10 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 5 × 2 = 10,
    12/5 = 12 × 2/5 × 2 = 24/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    49/10 = 49 × 1/10 × 1 = 49/10
  4. Subtract the two like fractions:
    24/10 - 49/10 = 24 - 49/10 = -25/10
  5. After reducing the fraction, the answer is -5/2

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