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Subtract 80/49 from 20/50

1st number: 20/50, 2nd number: 1 31/49

20/50 - 80/49 is -302/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 49 is 2450

    Next, find the equivalent fraction of both fractional numbers with denominator 2450
  2. For the 1st fraction, since 50 × 49 = 2450,
    20/50 = 20 × 49/50 × 49 = 980/2450
  3. Likewise, for the 2nd fraction, since 49 × 50 = 2450,
    80/49 = 80 × 50/49 × 50 = 4000/2450
  4. Subtract the two like fractions:
    980/2450 - 4000/2450 = 980 - 4000/2450 = -3020/2450
  5. After reducing the fraction, the answer is -302/245

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