Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/84 and 16/5

1st number: 70/84, 2nd number: 3 1/5

70/84 + 16/5 is 121/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 5 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    70/84 = 70 × 5/84 × 5 = 350/420
  3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
    16/5 = 16 × 84/5 × 84 = 1344/420
  4. Add the two like fractions:
    350/420 + 1344/420 = 350 + 1344/420 = 1694/420
  5. 1694/420 simplified gives 121/30
  6. So, 70/84 + 16/5 = 121/30
    In mixed form: 41/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com