Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/3 and 21/8

1st number: 10 0/3, 2nd number: 2 5/8

30/3 + 21/8 is 101/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 3 × 8 = 24,
    30/3 = 30 × 8/3 × 8 = 240/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    21/8 = 21 × 3/8 × 3 = 63/24
  4. Add the two like fractions:
    240/24 + 63/24 = 240 + 63/24 = 303/24
  5. 303/24 simplified gives 101/8
  6. So, 30/3 + 21/8 = 101/8
    In mixed form: 125/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com