Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/4 and 80/9

1st number: 22 2/4, 2nd number: 8 8/9

90/4 + 80/9 is 565/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    90/4 = 90 × 9/4 × 9 = 810/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    80/9 = 80 × 4/9 × 4 = 320/36
  4. Add the two like fractions:
    810/36 + 320/36 = 810 + 320/36 = 1130/36
  5. 1130/36 simplified gives 565/18
  6. So, 90/4 + 80/9 = 565/18
    In mixed form: 317/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com