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Subtract 25/30 from 70/42

1st number: 1 28/42, 2nd number: 25/30

70/42 - 25/30 is 5/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    70/42 = 70 × 5/42 × 5 = 350/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    25/30 = 25 × 7/30 × 7 = 175/210
  4. Subtract the two like fractions:
    350/210 - 175/210 = 350 - 175/210 = 175/210
  5. After reducing the fraction, the answer is 5/6

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