Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/72 and 3/42

9/72 + 3/42 is 11/56.

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,
    9/72 = 9 × 7/72 × 7 = 63/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    3/42 = 3 × 12/42 × 12 = 36/504
  4. Add the two like fractions:
    63/504 + 36/504 = 63 + 36/504 = 99/504
  5. 99/504 simplified gives 11/56
  6. So, 9/72 + 3/42 = 11/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com