Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/6 and 70/21

1st number: 1 1/6, 2nd number: 3 7/21

7/6 + 70/21 is 9/2.

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,
    7/6 = 7 × 7/6 × 7 = 49/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    70/21 = 70 × 2/21 × 2 = 140/42
  4. Add the two like fractions:
    49/42 + 140/42 = 49 + 140/42 = 189/42
  5. 189/42 simplified gives 9/2
  6. So, 7/6 + 70/21 = 9/2
    In mixed form: 41/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com