Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/20 and 6/9

1st number: 4 10/20, 2nd number: 6/9

90/20 + 6/9 is 31/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    90/20 = 90 × 9/20 × 9 = 810/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    6/9 = 6 × 20/9 × 20 = 120/180
  4. Add the two like fractions:
    810/180 + 120/180 = 810 + 120/180 = 930/180
  5. 930/180 simplified gives 31/6
  6. So, 90/20 + 6/9 = 31/6
    In mixed form: 51/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com