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Subtract 36/70 from 5/42

5/42 - 36/70 is -83/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    5/42 = 5 × 5/42 × 5 = 25/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    36/70 = 36 × 3/70 × 3 = 108/210
  4. Subtract the two fractions:
    25/210 - 108/210 = 25 - 108/210 = -83/210

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