Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 27/81 from 30/2

1st number: 15 0/2, 2nd number: 27/81

30/2 - 27/81 is 44/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 2 × 81 = 162,
    30/2 = 30 × 81/2 × 81 = 2430/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    27/81 = 27 × 2/81 × 2 = 54/162
  4. Subtract the two like fractions:
    2430/162 - 54/162 = 2430 - 54/162 = 2376/162
  5. After reducing the fraction, the answer is 44/3
  6. In mixed form: 142/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com