Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/3 and 15/20

1st number: 21 0/3, 2nd number: 15/20

63/3 + 15/20 is 87/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 3 × 20 = 60,
    63/3 = 63 × 20/3 × 20 = 1260/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    15/20 = 15 × 3/20 × 3 = 45/60
  4. Add the two like fractions:
    1260/60 + 45/60 = 1260 + 45/60 = 1305/60
  5. 1305/60 simplified gives 87/4
  6. So, 63/3 + 15/20 = 87/4
    In mixed form: 213/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com