Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/72 and 9/42

8/72 + 9/42 is 41/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    8/72 = 8 × 7/72 × 7 = 56/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    9/42 = 9 × 12/42 × 12 = 108/504
  4. Add the two like fractions:
    56/504 + 108/504 = 56 + 108/504 = 164/504
  5. 164/504 simplified gives 41/126
  6. So, 8/72 + 9/42 = 41/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com