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Subtract 2/21 from 98/18

1st number: 5 8/18, 2nd number: 2/21

98/18 - 2/21 is 337/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 21 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    98/18 = 98 × 7/18 × 7 = 686/126
  3. Likewise, for the 2nd fraction, since 21 × 6 = 126,
    2/21 = 2 × 6/21 × 6 = 12/126
  4. Subtract the two like fractions:
    686/126 - 12/126 = 686 - 12/126 = 674/126
  5. After reducing the fraction, the answer is 337/63
  6. In mixed form: 522/63

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