Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/45 and 40/70

8/45 + 40/70 is 236/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630
  2. For the 1st fraction, since 45 × 14 = 630,
    8/45 = 8 × 14/45 × 14 = 112/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    40/70 = 40 × 9/70 × 9 = 360/630
  4. Add the two fractions:
    112/630 + 360/630 = 112 + 360/630 = 472/630
  5. 472/630 simplified gives 236/315
  6. So, 8/45 + 40/70 = 236/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com