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Subtract 8/50 from 7/20

7/20 - 8/50 is 19/100.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 50 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    7/20 = 7 × 5/20 × 5 = 35/100
  3. Likewise, for the 2nd fraction, since 50 × 2 = 100,
    8/50 = 8 × 2/50 × 2 = 16/100
  4. Subtract the two like fractions:
    35/100 - 16/100 = 35 - 16/100 = 19/100

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