Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/90 and 7/36

72/90 + 7/36 is 179/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    72/90 = 72 × 2/90 × 2 = 144/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    7/36 = 7 × 5/36 × 5 = 35/180
  4. Add the two like fractions:
    144/180 + 35/180 = 144 + 35/180 = 179/180
  5. So, 72/90 + 7/36 = 179/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com