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Subtract 9/70 from 8/20

8/20 - 9/70 is 19/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    8/20 = 8 × 7/20 × 7 = 56/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    9/70 = 9 × 2/70 × 2 = 18/140
  4. Subtract the two like fractions:
    56/140 - 18/140 = 56 - 18/140 = 38/140
  5. After reducing the fraction, the answer is 19/70

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