Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/2 and 21/8

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

3/2 + 21/8 is 33/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 8 is 8
  2. For the 1st fraction, since 2 × 4 = 8,
    3/2 = 3 × 4/2 × 4 = 12/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    21/8 = 21 × 1/8 × 1 = 21/8
  4. Add the two fractions:
    12/8 + 21/8 = 12 + 21/8 = 33/8
  5. So, 3/2 + 21/8 = 33/8
    In mixed form: 41/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com