Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/2 and 63/21

1st number: 1 1/2, 2nd number: 3 0/21

3/2 + 63/21 is 9/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    3/2 = 3 × 21/2 × 21 = 63/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    63/21 = 63 × 2/21 × 2 = 126/42
  4. Add the two like fractions:
    63/42 + 126/42 = 63 + 126/42 = 189/42
  5. 189/42 simplified gives 9/2
  6. So, 3/2 + 63/21 = 9/2
    In mixed form: 41/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com