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Subtract 60/70 from 8/30

8/30 - 60/70 is -62/105.

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,
    8/30 = 8 × 7/30 × 7 = 56/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    60/70 = 60 × 3/70 × 3 = 180/210
  4. Subtract the two fractions:
    56/210 - 180/210 = 56 - 180/210 = -124/210
  5. After reducing the fraction, the answer is -62/105

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