Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/72 and 40/84

20/72 + 40/84 is 95/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    20/72 = 20 × 7/72 × 7 = 140/504
  3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
    40/84 = 40 × 6/84 × 6 = 240/504
  4. Add the two like fractions:
    140/504 + 240/504 = 140 + 240/504 = 380/504
  5. 380/504 simplified gives 95/126
  6. So, 20/72 + 40/84 = 95/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com