Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/20 and 80/56

1st number: 1 7/20, 2nd number: 1 24/56

27/20 + 80/56 is 389/140.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 20 × 14 = 280,
    27/20 = 27 × 14/20 × 14 = 378/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    80/56 = 80 × 5/56 × 5 = 400/280
  4. Add the two like fractions:
    378/280 + 400/280 = 378 + 400/280 = 778/280
  5. 778/280 simplified gives 389/140
  6. So, 27/20 + 80/56 = 389/140
    In mixed form: 2109/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com