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Subtract 7/10 from 20/50

20/50 - 7/10 is -3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 10 is 50

    Next, find the equivalent fraction of both fractional numbers with denominator 50
  2. For the 1st fraction, since 50 × 1 = 50,
    20/50 = 20 × 1/50 × 1 = 20/50
  3. Likewise, for the 2nd fraction, since 10 × 5 = 50,
    7/10 = 7 × 5/10 × 5 = 35/50
  4. Subtract the two like fractions:
    20/50 - 35/50 = 20 - 35/50 = -15/50
  5. After reducing the fraction, the answer is -3/10

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