Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/2 and 20/80

1st number: 22 1/2, 2nd number: 20/80

45/2 + 20/80 is 91/4.

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,
    45/2 = 45 × 40/2 × 40 = 1800/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    20/80 = 20 × 1/80 × 1 = 20/80
  4. Add the two like fractions:
    1800/80 + 20/80 = 1800 + 20/80 = 1820/80
  5. 1820/80 simplified gives 91/4
  6. So, 45/2 + 20/80 = 91/4
    In mixed form: 223/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com