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Subtract 56/70 from 3/30

3/30 - 56/70 is -7/10.

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,
    3/30 = 3 × 7/30 × 7 = 21/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    56/70 = 56 × 3/70 × 3 = 168/210
  4. Subtract the two fractions:
    21/210 - 168/210 = 21 - 168/210 = -147/210
  5. After reducing the fraction, the answer is -7/10

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