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Subtract 3/70 from 7/9

7/9 - 3/70 is 463/630.

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,
    7/9 = 7 × 70/9 × 70 = 490/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    3/70 = 3 × 9/70 × 9 = 27/630
  4. Subtract the two like fractions:
    490/630 - 27/630 = 490 - 27/630 = 463/630

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