Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/6 and 45/8

1st number: 3 3/6, 2nd number: 5 5/8

21/6 + 45/8 is 73/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 6 × 4 = 24,
    21/6 = 21 × 4/6 × 4 = 84/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    45/8 = 45 × 3/8 × 3 = 135/24
  4. Add the two like fractions:
    84/24 + 135/24 = 84 + 135/24 = 219/24
  5. 219/24 simplified gives 73/8
  6. So, 21/6 + 45/8 = 73/8
    In mixed form: 91/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com