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Subtract 9/70 from 1/15

1/15 - 9/70 is -13/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    1/15 = 1 × 14/15 × 14 = 14/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    9/70 = 9 × 3/70 × 3 = 27/210
  4. Subtract the two like fractions:
    14/210 - 27/210 = 14 - 27/210 = -13/210

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