Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/2 and 45/80

1st number: 10 0/2, 2nd number: 45/80

20/2 + 45/80 is 169/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 2 × 40 = 80,
    20/2 = 20 × 40/2 × 40 = 800/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    45/80 = 45 × 1/80 × 1 = 45/80
  4. Add the two like fractions:
    800/80 + 45/80 = 800 + 45/80 = 845/80
  5. 845/80 simplified gives 169/16
  6. So, 20/2 + 45/80 = 169/16
    In mixed form: 109/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com