Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/5 and 20/18

1st number: 6 0/5, 2nd number: 1 2/18

30/5 + 20/18 is 64/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90
  2. For the 1st fraction, since 5 × 18 = 90,
    30/5 = 30 × 18/5 × 18 = 540/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    20/18 = 20 × 5/18 × 5 = 100/90
  4. Add the two fractions:
    540/90 + 100/90 = 540 + 100/90 = 640/90
  5. 640/90 simplified gives 64/9
  6. So, 30/5 + 20/18 = 64/9
    In mixed form: 71/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com