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Subtract 7/70 from 12/15

12/15 - 7/70 is 7/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    12/15 = 12 × 14/15 × 14 = 168/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    7/70 = 7 × 3/70 × 3 = 21/210
  4. Subtract the two fractions:
    168/210 - 21/210 = 168 - 21/210 = 147/210
  5. After reducing the fraction, the answer is 7/10

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