Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 2/90 from 12/27

12/27 - 2/90 is 19/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 90 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 27 × 10 = 270,
    12/27 = 12 × 10/27 × 10 = 120/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    2/90 = 2 × 3/90 × 3 = 6/270
  4. Subtract the two like fractions:
    120/270 - 6/270 = 120 - 6/270 = 114/270
  5. After reducing the fraction, the answer is 19/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com