Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/18 from 2/28

2/28 - 9/18 is -3/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    2/28 = 2 × 9/28 × 9 = 18/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    9/18 = 9 × 14/18 × 14 = 126/252
  4. Subtract the two like fractions:
    18/252 - 126/252 = 18 - 126/252 = -108/252
  5. After reducing the fraction, the answer is -3/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com