Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/90 and 4/5

28/90 + 4/5 is 10/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    28/90 = 28 × 1/90 × 1 = 28/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    4/5 = 4 × 18/5 × 18 = 72/90
  4. Add the two like fractions:
    28/90 + 72/90 = 28 + 72/90 = 100/90
  5. 100/90 simplified gives 10/9
  6. So, 28/90 + 4/5 = 10/9
    In mixed form: 11/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com