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Subtract 6/20 from 1/70

1/70 - 6/20 is -2/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    1/70 = 1 × 2/70 × 2 = 2/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    6/20 = 6 × 7/20 × 7 = 42/140
  4. Subtract the two fractions:
    2/140 - 42/140 = 2 - 42/140 = -40/140
  5. After reducing the fraction, the answer is -2/7

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