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Subtract 5/18 from 42/7

1st number: 6 0/7, 2nd number: 5/18

42/7 - 5/18 is 103/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 7 × 18 = 126,
    42/7 = 42 × 18/7 × 18 = 756/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    5/18 = 5 × 7/18 × 7 = 35/126
  4. Subtract the two like fractions:
    756/126 - 35/126 = 756 - 35/126 = 721/126
  5. After reducing the fraction, the answer is 103/18
  6. In mixed form: 513/18

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