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Subtract 4/20 from 50/84

50/84 - 4/20 is 83/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 20 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    50/84 = 50 × 5/84 × 5 = 250/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    4/20 = 4 × 21/20 × 21 = 84/420
  4. Subtract the two like fractions:
    250/420 - 84/420 = 250 - 84/420 = 166/420
  5. After reducing the fraction, the answer is 83/210

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