Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/80 and 42/20

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

20/80 + 42/20 is 47/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    20/80 = 20 × 1/80 × 1 = 20/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    42/20 = 42 × 4/20 × 4 = 168/80
  4. Add the two like fractions:
    20/80 + 168/80 = 20 + 168/80 = 188/80
  5. 188/80 simplified gives 47/20
  6. So, 20/80 + 42/20 = 47/20
    In mixed form: 27/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com