Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/90 and 56/63

20/90 + 56/63 is 10/9.

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,
    20/90 = 20 × 7/90 × 7 = 140/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    56/63 = 56 × 10/63 × 10 = 560/630
  4. Add the two like fractions:
    140/630 + 560/630 = 140 + 560/630 = 700/630
  5. 700/630 simplified gives 10/9
  6. So, 20/90 + 56/63 = 10/9
    In mixed form: 11/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com