Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/30 and 7/63

27/30 + 7/63 is 91/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 30 × 21 = 630,
    27/30 = 27 × 21/30 × 21 = 567/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    7/63 = 7 × 10/63 × 10 = 70/630
  4. Add the two like fractions:
    567/630 + 70/630 = 567 + 70/630 = 637/630
  5. 637/630 simplified gives 91/90
  6. So, 27/30 + 7/63 = 91/90
    In mixed form: 11/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com