Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/25 and 21/90

8/25 + 21/90 is 83/150.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    8/25 = 8 × 18/25 × 18 = 144/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    21/90 = 21 × 5/90 × 5 = 105/450
  4. Add the two like fractions:
    144/450 + 105/450 = 144 + 105/450 = 249/450
  5. 249/450 simplified gives 83/150
  6. So, 8/25 + 21/90 = 83/150

MathStep (Works offline)

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

Related:

© everydaycalculation.com