Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/84 and 9/80

30/84 + 9/80 is 263/560.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    30/84 = 30 × 20/84 × 20 = 600/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    9/80 = 9 × 21/80 × 21 = 189/1680
  4. Add the two like fractions:
    600/1680 + 189/1680 = 600 + 189/1680 = 789/1680
  5. 789/1680 simplified gives 263/560
  6. So, 30/84 + 9/80 = 263/560

MathStep (Works offline)

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

Related:

© everydaycalculation.com