Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/9 and 45/6

1st number: 8 0/9, 2nd number: 7 3/6

72/9 + 45/6 is 31/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 6 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 9 × 2 = 18,
    72/9 = 72 × 2/9 × 2 = 144/18
  3. Likewise, for the 2nd fraction, since 6 × 3 = 18,
    45/6 = 45 × 3/6 × 3 = 135/18
  4. Add the two like fractions:
    144/18 + 135/18 = 144 + 135/18 = 279/18
  5. 279/18 simplified gives 31/2
  6. So, 72/9 + 45/6 = 31/2
    In mixed form: 151/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com