Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/54 and 35/45

21/54 + 35/45 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 45 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 45 × 6 = 270,
    35/45 = 35 × 6/45 × 6 = 210/270
  4. Add the two like fractions:
    105/270 + 210/270 = 105 + 210/270 = 315/270
  5. 315/270 simplified gives 7/6
  6. So, 21/54 + 35/45 = 7/6
    In mixed form: 11/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com