Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/40 and 20/28

10/40 + 20/28 is 27/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    10/40 = 10 × 7/40 × 7 = 70/280
  3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
    20/28 = 20 × 10/28 × 10 = 200/280
  4. Add the two fractions:
    70/280 + 200/280 = 70 + 200/280 = 270/280
  5. 270/280 simplified gives 27/28
  6. So, 10/40 + 20/28 = 27/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com