Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/20 and 25/18

1st number: 18/20, 2nd number: 1 7/18

18/20 + 25/18 is 103/45.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    18/20 = 18 × 9/20 × 9 = 162/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    25/18 = 25 × 10/18 × 10 = 250/180
  4. Add the two like fractions:
    162/180 + 250/180 = 162 + 250/180 = 412/180
  5. 412/180 simplified gives 103/45
  6. So, 18/20 + 25/18 = 103/45
    In mixed form: 213/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com