Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 4/21 and 9/84

4/21 + 9/84 is 25/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 84 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    4/21 = 4 × 4/21 × 4 = 16/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    9/84 = 9 × 1/84 × 1 = 9/84
  4. Add the two fractions:
    16/84 + 9/84 = 16 + 9/84 = 25/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com