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Subtract 80/42 from 50/18

1st number: 2 14/18, 2nd number: 1 38/42

50/18 - 80/42 is 55/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    50/18 = 50 × 7/18 × 7 = 350/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    80/42 = 80 × 3/42 × 3 = 240/126
  4. Subtract the two like fractions:
    350/126 - 240/126 = 350 - 240/126 = 110/126
  5. After reducing the fraction, the answer is 55/63

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