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Subtract 49/80 from 3/10

3/10 - 49/80 is -5/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 10 × 8 = 80,
    3/10 = 3 × 8/10 × 8 = 24/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    49/80 = 49 × 1/80 × 1 = 49/80
  4. Subtract the two like fractions:
    24/80 - 49/80 = 24 - 49/80 = -25/80
  5. After reducing the fraction, the answer is -5/16

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