Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/8 and 84/20

1st number: 2 4/8, 2nd number: 4 4/20

20/8 + 84/20 is 67/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40
  2. For the 1st fraction, since 8 × 5 = 40,
    20/8 = 20 × 5/8 × 5 = 100/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    84/20 = 84 × 2/20 × 2 = 168/40
  4. Add the two fractions:
    100/40 + 168/40 = 100 + 168/40 = 268/40
  5. 268/40 simplified gives 67/10
  6. So, 20/8 + 84/20 = 67/10
    In mixed form: 67/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com