Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/9 and 20/18

1st number: 7 0/9, 2nd number: 1 2/18

63/9 + 20/18 is 73/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 9 × 2 = 18,
    63/9 = 63 × 2/9 × 2 = 126/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    20/18 = 20 × 1/18 × 1 = 20/18
  4. Add the two like fractions:
    126/18 + 20/18 = 126 + 20/18 = 146/18
  5. 146/18 simplified gives 73/9
  6. So, 63/9 + 20/18 = 73/9
    In mixed form: 81/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com