Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 20/5 and 84/56

1st number: 4 0/5, 2nd number: 1 28/56

20/5 + 84/56 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280
  2. For the 1st fraction, since 5 × 56 = 280,
    20/5 = 20 × 56/5 × 56 = 1120/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    84/56 = 84 × 5/56 × 5 = 420/280
  4. Add the two fractions:
    1120/280 + 420/280 = 1120 + 420/280 = 1540/280
  5. After reducing the fraction, the answer is 11/2
  6. In mixed form: 51/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com