Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/42 and 20/6

1st number: 7/42, 2nd number: 3 2/6

7/42 + 20/6 is 7/2.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 42 × 1 = 42,
    7/42 = 7 × 1/42 × 1 = 7/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    20/6 = 20 × 7/6 × 7 = 140/42
  4. Add the two like fractions:
    7/42 + 140/42 = 7 + 140/42 = 147/42
  5. 147/42 simplified gives 7/2
  6. So, 7/42 + 20/6 = 7/2
    In mixed form: 31/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com