Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/18 and 2/20

1st number: 2 4/18, 2nd number: 2/20

40/18 + 2/20 is 209/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    40/18 = 40 × 10/18 × 10 = 400/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    2/20 = 2 × 9/20 × 9 = 18/180
  4. Add the two like fractions:
    400/180 + 18/180 = 400 + 18/180 = 418/180
  5. 418/180 simplified gives 209/90
  6. So, 40/18 + 2/20 = 209/90
    In mixed form: 229/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com