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Subtract 20/7 from 50/20

1st number: 2 10/20, 2nd number: 2 6/7

50/20 - 20/7 is -5/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    50/20 = 50 × 7/20 × 7 = 350/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    20/7 = 20 × 20/7 × 20 = 400/140
  4. Subtract the two like fractions:
    350/140 - 400/140 = 350 - 400/140 = -50/140
  5. After reducing the fraction, the answer is -5/14

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