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Subtract 30/42 from 72/35

1st number: 2 2/35, 2nd number: 30/42

72/35 - 30/42 is 47/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 42 is 210
  2. For the 1st fraction, since 35 × 6 = 210,
    72/35 = 72 × 6/35 × 6 = 432/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    30/42 = 30 × 5/42 × 5 = 150/210
  4. Subtract the two fractions:
    432/210 - 150/210 = 432 - 150/210 = 282/210
  5. After reducing the fraction, the answer is 47/35
  6. In mixed form: 112/35

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