Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/4 and 63/18

1st number: 20 0/4, 2nd number: 3 9/18

80/4 + 63/18 is 47/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    80/4 = 80 × 9/4 × 9 = 720/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    63/18 = 63 × 2/18 × 2 = 126/36
  4. Add the two like fractions:
    720/36 + 126/36 = 720 + 126/36 = 846/36
  5. 846/36 simplified gives 47/2
  6. So, 80/4 + 63/18 = 47/2
    In mixed form: 231/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com