Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/6 from 81/12

1st number: 6 9/12, 2nd number: 1 3/6

81/12 - 9/6 is 21/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 6 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 12 × 1 = 12,
    81/12 = 81 × 1/12 × 1 = 81/12
  3. Likewise, for the 2nd fraction, since 6 × 2 = 12,
    9/6 = 9 × 2/6 × 2 = 18/12
  4. Subtract the two like fractions:
    81/12 - 18/12 = 81 - 18/12 = 63/12
  5. After reducing the fraction, the answer is 21/4
  6. In mixed form: 51/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com