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Subtract 70/8 from 3/10

1st number: 3/10, 2nd number: 8 6/8

3/10 - 70/8 is -169/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 10 × 4 = 40,
    3/10 = 3 × 4/10 × 4 = 12/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    70/8 = 70 × 5/8 × 5 = 350/40
  4. Subtract the two like fractions:
    12/40 - 350/40 = 12 - 350/40 = -338/40
  5. After reducing the fraction, the answer is -169/20

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