Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/75 and 18/90

45/75 + 18/90 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    45/75 = 45 × 6/75 × 6 = 270/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    18/90 = 18 × 5/90 × 5 = 90/450
  4. Add the two like fractions:
    270/450 + 90/450 = 270 + 90/450 = 360/450
  5. 360/450 simplified gives 4/5
  6. So, 45/75 + 18/90 = 4/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com