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Subtract 2/42 from 7/15

7/15 - 2/42 is 44/105.

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,
    7/15 = 7 × 14/15 × 14 = 98/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    2/42 = 2 × 5/42 × 5 = 10/210
  4. Subtract the two like fractions:
    98/210 - 10/210 = 98 - 10/210 = 88/210
  5. After reducing the fraction, the answer is 44/105

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