Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 28/30 from 4/15

4/15 - 28/30 is -2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 15 × 2 = 30,
    4/15 = 4 × 2/15 × 2 = 8/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    28/30 = 28 × 1/30 × 1 = 28/30
  4. Subtract the two like fractions:
    8/30 - 28/30 = 8 - 28/30 = -20/30
  5. After reducing the fraction, the answer is -2/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com