Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/84 and 54/72

75/84 + 54/72 is 23/14.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 84 × 6 = 504,
    75/84 = 75 × 6/84 × 6 = 450/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    54/72 = 54 × 7/72 × 7 = 378/504
  4. Add the two like fractions:
    450/504 + 378/504 = 450 + 378/504 = 828/504
  5. 828/504 simplified gives 23/14
  6. So, 75/84 + 54/72 = 23/14
    In mixed form: 19/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com