Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/45 and 20/15

1st number: 20/45, 2nd number: 1 5/15

20/45 + 20/15 is 16/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 15 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    20/45 = 20 × 1/45 × 1 = 20/45
  3. Likewise, for the 2nd fraction, since 15 × 3 = 45,
    20/15 = 20 × 3/15 × 3 = 60/45
  4. Add the two fractions:
    20/45 + 60/45 = 20 + 60/45 = 80/45
  5. 80/45 simplified gives 16/9
  6. So, 20/45 + 20/15 = 16/9
    In mixed form: 17/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com