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Subtract 3/15 from 42/50

42/50 - 3/15 is 16/25.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 15 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 50 × 3 = 150,
    42/50 = 42 × 3/50 × 3 = 126/150
  3. Likewise, for the 2nd fraction, since 15 × 10 = 150,
    3/15 = 3 × 10/15 × 10 = 30/150
  4. Subtract the two like fractions:
    126/150 - 30/150 = 126 - 30/150 = 96/150
  5. After reducing the fraction, the answer is 16/25

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