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Subtract 70/25 from 12/40

1st number: 12/40, 2nd number: 2 20/25

12/40 - 70/25 is -5/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 25 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 40 × 5 = 200,
    12/40 = 12 × 5/40 × 5 = 60/200
  3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
    70/25 = 70 × 8/25 × 8 = 560/200
  4. Subtract the two like fractions:
    60/200 - 560/200 = 60 - 560/200 = -500/200
  5. After reducing the fraction, the answer is -5/2

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