Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/25 and 70/90

18/25 + 70/90 is 337/225.

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,
    18/25 = 18 × 18/25 × 18 = 324/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    70/90 = 70 × 5/90 × 5 = 350/450
  4. Add the two like fractions:
    324/450 + 350/450 = 324 + 350/450 = 674/450
  5. 674/450 simplified gives 337/225
  6. So, 18/25 + 70/90 = 337/225
    In mixed form: 1112/225

MathStep (Works offline)

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

Related:

© everydaycalculation.com