Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/90 and 60/81

81/90 + 60/81 is 443/270.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 90 × 9 = 810,
    81/90 = 81 × 9/90 × 9 = 729/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    60/81 = 60 × 10/81 × 10 = 600/810
  4. Add the two like fractions:
    729/810 + 600/810 = 729 + 600/810 = 1329/810
  5. 1329/810 simplified gives 443/270
  6. So, 81/90 + 60/81 = 443/270
    In mixed form: 1173/270

MathStep (Works offline)

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

Related:

© everydaycalculation.com