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Subtract 4/70 from 30/45

30/45 - 4/70 is 64/105.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    30/45 = 30 × 14/45 × 14 = 420/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    4/70 = 4 × 9/70 × 9 = 36/630
  4. Subtract the two like fractions:
    420/630 - 36/630 = 420 - 36/630 = 384/630
  5. After reducing the fraction, the answer is 64/105

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