Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/56 and 12/18

42/56 + 12/18 is 17/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 18 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    42/56 = 42 × 9/56 × 9 = 378/504
  3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
    12/18 = 12 × 28/18 × 28 = 336/504
  4. Add the two like fractions:
    378/504 + 336/504 = 378 + 336/504 = 714/504
  5. 714/504 simplified gives 17/12
  6. So, 42/56 + 12/18 = 17/12
    In mixed form: 15/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com