Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/15 and 54/18

1st number: 4 3/15, 2nd number: 3 0/18

63/15 + 54/18 is 36/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    63/15 = 63 × 6/15 × 6 = 378/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    54/18 = 54 × 5/18 × 5 = 270/90
  4. Add the two like fractions:
    378/90 + 270/90 = 378 + 270/90 = 648/90
  5. 648/90 simplified gives 36/5
  6. So, 63/15 + 54/18 = 36/5
    In mixed form: 71/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com