Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/6 and 21/7

1st number: 5/6, 2nd number: 3 0/7

5/6 + 21/7 is 23/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 7 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    5/6 = 5 × 7/6 × 7 = 35/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    21/7 = 21 × 6/7 × 6 = 126/42
  4. Add the two like fractions:
    35/42 + 126/42 = 35 + 126/42 = 161/42
  5. 161/42 simplified gives 23/6
  6. So, 5/6 + 21/7 = 23/6
    In mixed form: 35/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com