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Subtract 36/42 from 63/30

1st number: 2 3/30, 2nd number: 36/42

63/30 - 36/42 is 87/70.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    63/30 = 63 × 7/30 × 7 = 441/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    36/42 = 36 × 5/42 × 5 = 180/210
  4. Subtract the two like fractions:
    441/210 - 180/210 = 441 - 180/210 = 261/210
  5. After reducing the fraction, the answer is 87/70
  6. In mixed form: 117/70

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