Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/75 and 63/90

20/75 + 63/90 is 29/30.

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,
    20/75 = 20 × 6/75 × 6 = 120/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    63/90 = 63 × 5/90 × 5 = 315/450
  4. Add the two like fractions:
    120/450 + 315/450 = 120 + 315/450 = 435/450
  5. 435/450 simplified gives 29/30
  6. So, 20/75 + 63/90 = 29/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com