Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/6 and 1/21

1st number: 4 4/6, 2nd number: 1/21

28/6 + 1/21 is 33/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    28/6 = 28 × 7/6 × 7 = 196/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    1/21 = 1 × 2/21 × 2 = 2/42
  4. Add the two like fractions:
    196/42 + 2/42 = 196 + 2/42 = 198/42
  5. 198/42 simplified gives 33/7
  6. So, 28/6 + 1/21 = 33/7
    In mixed form: 45/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com