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Subtract 70/20 from 1/8

1st number: 1/8, 2nd number: 3 10/20

1/8 - 70/20 is -27/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    1/8 = 1 × 5/8 × 5 = 5/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    70/20 = 70 × 2/20 × 2 = 140/40
  4. Subtract the two like fractions:
    5/40 - 140/40 = 5 - 140/40 = -135/40
  5. After reducing the fraction, the answer is -27/8

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