Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/21 and 20/75

5/21 + 20/75 is 53/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 75 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 21 × 25 = 525,
    5/21 = 5 × 25/21 × 25 = 125/525
  3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
    20/75 = 20 × 7/75 × 7 = 140/525
  4. Add the two like fractions:
    125/525 + 140/525 = 125 + 140/525 = 265/525
  5. 265/525 simplified gives 53/105
  6. So, 5/21 + 20/75 = 53/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com