Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 20/45 and 12/16

20/45 + 12/16 is 43/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 16 is 720
  2. For the 1st fraction, since 45 × 16 = 720,
    20/45 = 20 × 16/45 × 16 = 320/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    12/16 = 12 × 45/16 × 45 = 540/720
  4. Add the two fractions:
    320/720 + 540/720 = 320 + 540/720 = 860/720
  5. After reducing the fraction, the answer is 43/36
  6. In mixed form: 17/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com