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Subtract 12/45 from 8/70

8/70 - 12/45 is -16/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    8/70 = 8 × 9/70 × 9 = 72/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    12/45 = 12 × 14/45 × 14 = 168/630
  4. Subtract the two like fractions:
    72/630 - 168/630 = 72 - 168/630 = -96/630
  5. After reducing the fraction, the answer is -16/105

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