Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/20 and 18/9

1st number: 2/20, 2nd number: 2 0/9

2/20 + 18/9 is 21/10.

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,
    2/20 = 2 × 9/20 × 9 = 18/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    18/9 = 18 × 20/9 × 20 = 360/180
  4. Add the two like fractions:
    18/180 + 360/180 = 18 + 360/180 = 378/180
  5. 378/180 simplified gives 21/10
  6. So, 2/20 + 18/9 = 21/10
    In mixed form: 21/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com