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Subtract 50/84 from 2/21

2/21 - 50/84 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    50/84 = 50 × 1/84 × 1 = 50/84
  4. Subtract the two like fractions:
    8/84 - 50/84 = 8 - 50/84 = -42/84
  5. After reducing the fraction, the answer is -1/2

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