Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/50 and 6/90

21/50 + 6/90 is 73/150.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    21/50 = 21 × 9/50 × 9 = 189/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    6/90 = 6 × 5/90 × 5 = 30/450
  4. Add the two like fractions:
    189/450 + 30/450 = 189 + 30/450 = 219/450
  5. 219/450 simplified gives 73/150
  6. So, 21/50 + 6/90 = 73/150

MathStep (Works offline)

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

Related:

© everydaycalculation.com