Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/45 and 48/20

1st number: 1 9/45, 2nd number: 2 8/20

54/45 + 48/20 is 18/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    54/45 = 54 × 4/45 × 4 = 216/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    48/20 = 48 × 9/20 × 9 = 432/180
  4. Add the two like fractions:
    216/180 + 432/180 = 216 + 432/180 = 648/180
  5. 648/180 simplified gives 18/5
  6. So, 54/45 + 48/20 = 18/5
    In mixed form: 33/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com