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Subtract 15/70 from 50/42

1st number: 1 8/42, 2nd number: 15/70

50/42 - 15/70 is 41/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    50/42 = 50 × 5/42 × 5 = 250/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    15/70 = 15 × 3/70 × 3 = 45/210
  4. Subtract the two like fractions:
    250/210 - 45/210 = 250 - 45/210 = 205/210
  5. After reducing the fraction, the answer is 41/42

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