Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/72 and 3/20

9/72 + 3/20 is 11/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 20 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    9/72 = 9 × 5/72 × 5 = 45/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    3/20 = 3 × 18/20 × 18 = 54/360
  4. Add the two like fractions:
    45/360 + 54/360 = 45 + 54/360 = 99/360
  5. 99/360 simplified gives 11/40
  6. So, 9/72 + 3/20 = 11/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com