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Subtract 40/70 from 7/50

7/50 - 40/70 is -151/350.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 70 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 50 × 7 = 350,
    7/50 = 7 × 7/50 × 7 = 49/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    40/70 = 40 × 5/70 × 5 = 200/350
  4. Subtract the two like fractions:
    49/350 - 200/350 = 49 - 200/350 = -151/350

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