Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/72 and 18/30

28/72 + 18/30 is 89/90.

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,
    28/72 = 28 × 5/72 × 5 = 140/360
  3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
    18/30 = 18 × 12/30 × 12 = 216/360
  4. Add the two like fractions:
    140/360 + 216/360 = 140 + 216/360 = 356/360
  5. 356/360 simplified gives 89/90
  6. So, 28/72 + 18/30 = 89/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com