Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/40 and 7/70

8/40 + 7/70 is 3/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    8/40 = 8 × 7/40 × 7 = 56/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    7/70 = 7 × 4/70 × 4 = 28/280
  4. Add the two like fractions:
    56/280 + 28/280 = 56 + 28/280 = 84/280
  5. 84/280 simplified gives 3/10
  6. So, 8/40 + 7/70 = 3/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com