Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/90 and 30/63

54/90 + 30/63 is 113/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    54/90 = 54 × 7/90 × 7 = 378/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    30/63 = 30 × 10/63 × 10 = 300/630
  4. Add the two like fractions:
    378/630 + 300/630 = 378 + 300/630 = 678/630
  5. 678/630 simplified gives 113/105
  6. So, 54/90 + 30/63 = 113/105
    In mixed form: 18/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com