Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/18 and 18/90

1st number: 3 0/18, 2nd number: 18/90

54/18 + 18/90 is 16/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    54/18 = 54 × 5/18 × 5 = 270/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    18/90 = 18 × 1/90 × 1 = 18/90
  4. Add the two like fractions:
    270/90 + 18/90 = 270 + 18/90 = 288/90
  5. 288/90 simplified gives 16/5
  6. So, 54/18 + 18/90 = 16/5
    In mixed form: 31/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com