Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/21 and 18/56

2/21 + 18/56 is 5/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    2/21 = 2 × 8/21 × 8 = 16/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    18/56 = 18 × 3/56 × 3 = 54/168
  4. Add the two like fractions:
    16/168 + 54/168 = 16 + 54/168 = 70/168
  5. 70/168 simplified gives 5/12
  6. So, 2/21 + 18/56 = 5/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com