Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/63 from 98/18

1st number: 5 8/18, 2nd number: 12/63

98/18 - 12/63 is 331/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 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 63 × 2 = 126,
    12/63 = 12 × 2/63 × 2 = 24/126
  4. Subtract the two like fractions:
    686/126 - 24/126 = 686 - 24/126 = 662/126
  5. After reducing the fraction, the answer is 331/63
  6. In mixed form: 516/63

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com