Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 35/81 from 5/18

5/18 - 35/81 is -25/162.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 18 × 9 = 162,
    5/18 = 5 × 9/18 × 9 = 45/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    35/81 = 35 × 2/81 × 2 = 70/162
  4. Subtract the two like fractions:
    45/162 - 70/162 = 45 - 70/162 = -25/162

MathStep (Works offline)

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

Related:

© everydaycalculation.com