Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/49 and 54/80

20/49 + 54/80 is 2123/1960.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 80 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 49 × 80 = 3920,
    20/49 = 20 × 80/49 × 80 = 1600/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    54/80 = 54 × 49/80 × 49 = 2646/3920
  4. Add the two like fractions:
    1600/3920 + 2646/3920 = 1600 + 2646/3920 = 4246/3920
  5. 4246/3920 simplified gives 2123/1960
  6. So, 20/49 + 54/80 = 2123/1960
    In mixed form: 1163/1960

MathStep (Works offline)

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

Related:

© everydaycalculation.com