Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 28/20 from 8/15

1st number: 8/15, 2nd number: 1 8/20

8/15 - 28/20 is -13/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    8/15 = 8 × 4/15 × 4 = 32/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    28/20 = 28 × 3/20 × 3 = 84/60
  4. Subtract the two like fractions:
    32/60 - 84/60 = 32 - 84/60 = -52/60
  5. After reducing the fraction, the answer is -13/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com