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Subtract 9/50 from 8/70

8/70 - 9/50 is -23/350.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 70 × 5 = 350,
    8/70 = 8 × 5/70 × 5 = 40/350
  3. Likewise, for the 2nd fraction, since 50 × 7 = 350,
    9/50 = 9 × 7/50 × 7 = 63/350
  4. Subtract the two like fractions:
    40/350 - 63/350 = 40 - 63/350 = -23/350

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