Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/5 and 40/8

1st number: 16 0/5, 2nd number: 5 0/8

80/5 + 40/8 is 21/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40
  2. For the 1st fraction, since 5 × 8 = 40,
    80/5 = 80 × 8/5 × 8 = 640/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    40/8 = 40 × 5/8 × 5 = 200/40
  4. Add the two fractions:
    640/40 + 200/40 = 640 + 200/40 = 840/40
  5. 840/40 simplified gives 21/1
  6. So, 80/5 + 40/8 = 21/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com