Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/90 and 18/70

8/90 + 18/70 is 109/315.

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,
    8/90 = 8 × 7/90 × 7 = 56/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    18/70 = 18 × 9/70 × 9 = 162/630
  4. Add the two like fractions:
    56/630 + 162/630 = 56 + 162/630 = 218/630
  5. 218/630 simplified gives 109/315
  6. So, 8/90 + 18/70 = 109/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com