Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/21 and 72/25

1st number: 1 6/21, 2nd number: 2 22/25

27/21 + 72/25 is 729/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 25 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 21 × 25 = 525,
    27/21 = 27 × 25/21 × 25 = 675/525
  3. Likewise, for the 2nd fraction, since 25 × 21 = 525,
    72/25 = 72 × 21/25 × 21 = 1512/525
  4. Add the two like fractions:
    675/525 + 1512/525 = 675 + 1512/525 = 2187/525
  5. 2187/525 simplified gives 729/175
  6. So, 27/21 + 72/25 = 729/175
    In mixed form: 429/175

MathStep (Works offline)

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

Related:

© everydaycalculation.com