What is the common denominator for 16 and 20?

1 Answer
Camilleon
May 3, 2018

The common denominator of 16 and 20 is 4. When simplified, the fraction becomes #4/5#.

Explanation:

Factor tree of 16:

1 - 16
2 - 8
4 - 4
8 - 2
16 - 1

Factor tree of 20:

1 -20
2 - 10
4 - 5
5 - 4
10 - 2
20 - 1

When simplified:

#16/20# #/ 4# on both sides = #4/5#

Related questions
See all questions in Addition of Rational Numbers
Impact of this question
4352 views around the world
You can reuse this answer
Creative Commons License