Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/9 and 40/18

1st number: 5 0/9, 2nd number: 2 4/18

45/9 + 40/18 is 65/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 9 × 2 = 18,
    45/9 = 45 × 2/9 × 2 = 90/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    40/18 = 40 × 1/18 × 1 = 40/18
  4. Add the two like fractions:
    90/18 + 40/18 = 90 + 40/18 = 130/18
  5. 130/18 simplified gives 65/9
  6. So, 45/9 + 40/18 = 65/9
    In mixed form: 72/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com