Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/70 and 27/72

20/70 + 27/72 is 37/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 72 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 70 × 36 = 2520,
    20/70 = 20 × 36/70 × 36 = 720/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    27/72 = 27 × 35/72 × 35 = 945/2520
  4. Add the two like fractions:
    720/2520 + 945/2520 = 720 + 945/2520 = 1665/2520
  5. 1665/2520 simplified gives 37/56
  6. So, 20/70 + 27/72 = 37/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com