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Subtract 42/80 from 40/4

1st number: 10 0/4, 2nd number: 42/80

40/4 - 42/80 is 379/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 4 × 20 = 80,
    40/4 = 40 × 20/4 × 20 = 800/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    42/80 = 42 × 1/80 × 1 = 42/80
  4. Subtract the two like fractions:
    800/80 - 42/80 = 800 - 42/80 = 758/80
  5. After reducing the fraction, the answer is 379/40
  6. In mixed form: 919/40

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