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Subtract 9/70 from 4/9

4/9 - 9/70 is 199/630.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 9 × 70 = 630,
    4/9 = 4 × 70/9 × 70 = 280/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    9/70 = 9 × 9/70 × 9 = 81/630
  4. Subtract the two like fractions:
    280/630 - 81/630 = 280 - 81/630 = 199/630

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