Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/90 and 98/81

1st number: 5/90, 2nd number: 1 17/81

5/90 + 98/81 is 205/162.

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,
    5/90 = 5 × 9/90 × 9 = 45/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    98/81 = 98 × 10/81 × 10 = 980/810
  4. Add the two like fractions:
    45/810 + 980/810 = 45 + 980/810 = 1025/810
  5. 1025/810 simplified gives 205/162
  6. So, 5/90 + 98/81 = 205/162
    In mixed form: 143/162

MathStep (Works offline)

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

Related:

© everydaycalculation.com