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Subtract 4/42 from 25/15

1st number: 1 10/15, 2nd number: 4/42

25/15 - 4/42 is 11/7.

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,
    25/15 = 25 × 14/15 × 14 = 350/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    4/42 = 4 × 5/42 × 5 = 20/210
  4. Subtract the two like fractions:
    350/210 - 20/210 = 350 - 20/210 = 330/210
  5. After reducing the fraction, the answer is 11/7
  6. In mixed form: 14/7

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