Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/15 and 9/84

1st number: 5 5/15, 2nd number: 9/84

80/15 + 9/84 is 457/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    80/15 = 80 × 28/15 × 28 = 2240/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    9/84 = 9 × 5/84 × 5 = 45/420
  4. Add the two like fractions:
    2240/420 + 45/420 = 2240 + 45/420 = 2285/420
  5. 2285/420 simplified gives 457/84
  6. So, 80/15 + 9/84 = 457/84
    In mixed form: 537/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com