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Subtract 9/70 from 63/40

1st number: 1 23/40, 2nd number: 9/70

63/40 - 9/70 is 81/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    63/40 = 63 × 7/40 × 7 = 441/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    9/70 = 9 × 4/70 × 4 = 36/280
  4. Subtract the two like fractions:
    441/280 - 36/280 = 441 - 36/280 = 405/280
  5. After reducing the fraction, the answer is 81/56
  6. In mixed form: 125/56

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