Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/42 and 20/56

18/42 + 20/56 is 11/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    18/42 = 18 × 4/42 × 4 = 72/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    20/56 = 20 × 3/56 × 3 = 60/168
  4. Add the two like fractions:
    72/168 + 60/168 = 72 + 60/168 = 132/168
  5. 132/168 simplified gives 11/14
  6. So, 18/42 + 20/56 = 11/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com