Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/90 and 18/50

70/90 + 18/50 is 256/225.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    70/90 = 70 × 5/90 × 5 = 350/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    18/50 = 18 × 9/50 × 9 = 162/450
  4. Add the two like fractions:
    350/450 + 162/450 = 350 + 162/450 = 512/450
  5. 512/450 simplified gives 256/225
  6. So, 70/90 + 18/50 = 256/225
    In mixed form: 131/225

MathStep (Works offline)

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

Related:

© everydaycalculation.com