Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/18 and 27/30

1st number: 3 9/18, 2nd number: 27/30

63/18 + 27/30 is 22/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    63/18 = 63 × 5/18 × 5 = 315/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    27/30 = 27 × 3/30 × 3 = 81/90
  4. Add the two like fractions:
    315/90 + 81/90 = 315 + 81/90 = 396/90
  5. 396/90 simplified gives 22/5
  6. So, 63/18 + 27/30 = 22/5
    In mixed form: 42/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com