Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/72 and 9/30

40/72 + 9/30 is 77/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 30 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 30 × 12 = 360,
    9/30 = 9 × 12/30 × 12 = 108/360
  4. Add the two like fractions:
    200/360 + 108/360 = 200 + 108/360 = 308/360
  5. 308/360 simplified gives 77/90
  6. So, 40/72 + 9/30 = 77/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com