Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/50 and 45/80

1st number: 1 40/50, 2nd number: 45/80

90/50 + 45/80 is 189/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 80 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 50 × 8 = 400,
    90/50 = 90 × 8/50 × 8 = 720/400
  3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
    45/80 = 45 × 5/80 × 5 = 225/400
  4. Add the two like fractions:
    720/400 + 225/400 = 720 + 225/400 = 945/400
  5. 945/400 simplified gives 189/80
  6. So, 90/50 + 45/80 = 189/80
    In mixed form: 229/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com