Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 18/12 from 30/2

1st number: 15 0/2, 2nd number: 1 6/12

30/2 - 18/12 is 27/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 2 × 6 = 12,
    30/2 = 30 × 6/2 × 6 = 180/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    18/12 = 18 × 1/12 × 1 = 18/12
  4. Subtract the two like fractions:
    180/12 - 18/12 = 180 - 18/12 = 162/12
  5. After reducing the fraction, the answer is 27/2
  6. In mixed form: 131/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com