Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/2 and 20/72

1/2 + 20/72 is 7/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 2 × 36 = 72,
    1/2 = 1 × 36/2 × 36 = 36/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    20/72 = 20 × 1/72 × 1 = 20/72
  4. Add the two like fractions:
    36/72 + 20/72 = 36 + 20/72 = 56/72
  5. 56/72 simplified gives 7/9
  6. So, 1/2 + 20/72 = 7/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com