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Subtract 7/70 from 4/9

4/9 - 7/70 is 31/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 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,
    7/70 = 7 × 9/70 × 9 = 63/630
  4. Subtract the two fractions:
    280/630 - 63/630 = 280 - 63/630 = 217/630
  5. After reducing the fraction, the answer is 31/90

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