What is #1/4 + 1/5#?

1 Answer
Zero Two · Stefan V.
Apr 5, 2016

#9/20#

Explanation:

First, find a common denominator that occurs in both numbers.
#20# is a common number in both of them.

You then multiply #1/4# by #5# and #1/5# by #4#. The problem is now like this:

#5/20+4/20=9/20#

#A=9/20#

You do the exact same thing for subtracting fractions.

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