Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/8 and 20/18

1st number: 3 6/8, 2nd number: 1 2/18

30/8 + 20/18 is 175/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    30/8 = 30 × 9/8 × 9 = 270/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    20/18 = 20 × 4/18 × 4 = 80/72
  4. Add the two like fractions:
    270/72 + 80/72 = 270 + 80/72 = 350/72
  5. 350/72 simplified gives 175/36
  6. So, 30/8 + 20/18 = 175/36
    In mixed form: 431/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com