Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/21 and 63/75

9/21 + 63/75 is 222/175.

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,
    9/21 = 9 × 25/21 × 25 = 225/525
  3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
    63/75 = 63 × 7/75 × 7 = 441/525
  4. Add the two like fractions:
    225/525 + 441/525 = 225 + 441/525 = 666/525
  5. 666/525 simplified gives 222/175
  6. So, 9/21 + 63/75 = 222/175
    In mixed form: 147/175

MathStep (Works offline)

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

Related:

© everydaycalculation.com