Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/5 and 80/84

1st number: 14 0/5, 2nd number: 80/84

70/5 + 80/84 is 314/21.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 5 × 84 = 420,
    70/5 = 70 × 84/5 × 84 = 5880/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    80/84 = 80 × 5/84 × 5 = 400/420
  4. Add the two like fractions:
    5880/420 + 400/420 = 5880 + 400/420 = 6280/420
  5. 6280/420 simplified gives 314/21
  6. So, 70/5 + 80/84 = 314/21
    In mixed form: 1420/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com