Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/56 and 70/20

1st number: 28/56, 2nd number: 3 10/20

28/56 + 70/20 is 4/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 20 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    28/56 = 28 × 5/56 × 5 = 140/280
  3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
    70/20 = 70 × 14/20 × 14 = 980/280
  4. Add the two like fractions:
    140/280 + 980/280 = 140 + 980/280 = 1120/280
  5. 1120/280 simplified gives 4/1
  6. So, 28/56 + 70/20 = 4/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com