Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/21 and 5/6

1st number: 3 7/21, 2nd number: 5/6

70/21 + 5/6 is 25/6.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    70/21 = 70 × 2/21 × 2 = 140/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    5/6 = 5 × 7/6 × 7 = 35/42
  4. Add the two like fractions:
    140/42 + 35/42 = 140 + 35/42 = 175/42
  5. 175/42 simplified gives 25/6
  6. So, 70/21 + 5/6 = 25/6
    In mixed form: 41/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com