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Subtract 3/42 from 49/15

1st number: 3 4/15, 2nd number: 3/42

49/15 - 3/42 is 671/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    49/15 = 49 × 14/15 × 14 = 686/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  4. Subtract the two like fractions:
    686/210 - 15/210 = 686 - 15/210 = 671/210
  5. In mixed form: 341/210

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