Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/5 and 2/8

1st number: 3 3/5, 2nd number: 2/8

18/5 + 2/8 is 77/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 5 × 8 = 40,
    18/5 = 18 × 8/5 × 8 = 144/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    2/8 = 2 × 5/8 × 5 = 10/40
  4. Add the two like fractions:
    144/40 + 10/40 = 144 + 10/40 = 154/40
  5. 154/40 simplified gives 77/20
  6. So, 18/5 + 2/8 = 77/20
    In mixed form: 317/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com