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Subtract 20/9 from 3/70

1st number: 3/70, 2nd number: 2 2/9

3/70 - 20/9 is -1373/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 9 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    3/70 = 3 × 9/70 × 9 = 27/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    20/9 = 20 × 70/9 × 70 = 1400/630
  4. Subtract the two like fractions:
    27/630 - 1400/630 = 27 - 1400/630 = -1373/630

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