Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 24/90 and 45/70

24/90 + 45/70 is 191/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    24/90 = 24 × 7/90 × 7 = 168/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    45/70 = 45 × 9/70 × 9 = 405/630
  4. Add the two like fractions:
    168/630 + 405/630 = 168 + 405/630 = 573/630
  5. 573/630 simplified gives 191/210
  6. So, 24/90 + 45/70 = 191/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com