Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/72 and 60/90

40/72 + 60/90 is 11/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    40/72 = 40 × 5/72 × 5 = 200/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    60/90 = 60 × 4/90 × 4 = 240/360
  4. Add the two like fractions:
    200/360 + 240/360 = 200 + 240/360 = 440/360
  5. 440/360 simplified gives 11/9
  6. So, 40/72 + 60/90 = 11/9
    In mixed form: 12/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com