Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/2 and 21/54

1st number: 40 0/2, 2nd number: 21/54

80/2 + 21/54 is 727/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 54 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 2 × 27 = 54,
    80/2 = 80 × 27/2 × 27 = 2160/54
  3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
    21/54 = 21 × 1/54 × 1 = 21/54
  4. Add the two like fractions:
    2160/54 + 21/54 = 2160 + 21/54 = 2181/54
  5. 2181/54 simplified gives 727/18
  6. So, 80/2 + 21/54 = 727/18
    In mixed form: 407/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com