Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/72 and 42/56

25/72 + 42/56 is 79/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    25/72 = 25 × 7/72 × 7 = 175/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    42/56 = 42 × 9/56 × 9 = 378/504
  4. Add the two like fractions:
    175/504 + 378/504 = 175 + 378/504 = 553/504
  5. 553/504 simplified gives 79/72
  6. So, 25/72 + 42/56 = 79/72
    In mixed form: 17/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com