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Subtract 7/42 from 45/9

1st number: 5 0/9, 2nd number: 7/42

45/9 - 7/42 is 29/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 9 × 14 = 126,
    45/9 = 45 × 14/9 × 14 = 630/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    7/42 = 7 × 3/42 × 3 = 21/126
  4. Subtract the two like fractions:
    630/126 - 21/126 = 630 - 21/126 = 609/126
  5. After reducing the fraction, the answer is 29/6
  6. In mixed form: 45/6

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