Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/2 and 21/18

1st number: 40 0/2, 2nd number: 1 3/18

80/2 + 21/18 is 247/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 2 × 9 = 18,
    80/2 = 80 × 9/2 × 9 = 720/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    21/18 = 21 × 1/18 × 1 = 21/18
  4. Add the two like fractions:
    720/18 + 21/18 = 720 + 21/18 = 741/18
  5. 741/18 simplified gives 247/6
  6. So, 80/2 + 21/18 = 247/6
    In mixed form: 411/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com