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Subtract 70/40 from 1/49

1st number: 1/49, 2nd number: 1 30/40

1/49 - 70/40 is -339/196.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 40 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 49 × 40 = 1960,
    1/49 = 1 × 40/49 × 40 = 40/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    70/40 = 70 × 49/40 × 49 = 3430/1960
  4. Subtract the two like fractions:
    40/1960 - 3430/1960 = 40 - 3430/1960 = -3390/1960
  5. After reducing the fraction, the answer is -339/196

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