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Subtract 7/70 from 4/30

4/30 - 7/70 is 1/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 70 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    4/30 = 4 × 7/30 × 7 = 28/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    7/70 = 7 × 3/70 × 3 = 21/210
  4. Subtract the two fractions:
    28/210 - 21/210 = 28 - 21/210 = 7/210
  5. After reducing the fraction, the answer is 1/30

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