Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/54 and 54/10

1st number: 21/54, 2nd number: 5 4/10

21/54 + 54/10 is 521/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 10 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    21/54 = 21 × 5/54 × 5 = 105/270
  3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
    54/10 = 54 × 27/10 × 27 = 1458/270
  4. Add the two like fractions:
    105/270 + 1458/270 = 105 + 1458/270 = 1563/270
  5. 1563/270 simplified gives 521/90
  6. So, 21/54 + 54/10 = 521/90
    In mixed form: 571/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com