Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/20 and 80/5

1st number: 1 8/20, 2nd number: 16 0/5

28/20 + 80/5 is 87/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    28/20 = 28 × 1/20 × 1 = 28/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    80/5 = 80 × 4/5 × 4 = 320/20
  4. Add the two like fractions:
    28/20 + 320/20 = 28 + 320/20 = 348/20
  5. 348/20 simplified gives 87/5
  6. So, 28/20 + 80/5 = 87/5
    In mixed form: 172/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com