What is #1/5# of #20#?

2 Answers
Apr 22, 2016

4

Explanation:

To multiply a fraction and a whole number, turn the whole number into a fraction with a denominator of 1.

#1/5 xx 20/1#

Multiply the top numbers (numerators) and the bottom numbers (denominators)

#(1xx20)/(5xx1) = 20/5 = 4#

Mar 15, 2018

#20 div 5 = 4#

Explanation:

To find #1/5# (said as 'one fifth') is the same as dividing by #5#

So #20# divided by #5# is #4#

In the same way, #1/2# of #20# is the same as #20# divided by #2#

#1/4# of #20# is #20# divided by #4" "rarr 20 div4=5#