Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/80 and 9/84

7/80 + 9/84 is 109/560.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    7/80 = 7 × 21/80 × 21 = 147/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    9/84 = 9 × 20/84 × 20 = 180/1680
  4. Add the two like fractions:
    147/1680 + 180/1680 = 147 + 180/1680 = 327/1680
  5. 327/1680 simplified gives 109/560
  6. So, 7/80 + 9/84 = 109/560

MathStep (Works offline)

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

Related:

© everydaycalculation.com