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Subtract 3/10 from 1/70

1/70 - 3/10 is -2/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 10 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    1/70 = 1 × 1/70 × 1 = 1/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    3/10 = 3 × 7/10 × 7 = 21/70
  4. Subtract the two like fractions:
    1/70 - 21/70 = 1 - 21/70 = -20/70
  5. After reducing the fraction, the answer is -2/7

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