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twofifths

Two-fifths, written as the fraction 2/5 (also encountered as twofifths in nonstandard forms), denotes two parts of a whole that has been divided into five equal parts. As a fraction in lowest terms, it remains 2/5 since the greatest common divisor of 2 and 5 is 1. The value of two-fifths is 0.4 in decimal form and 40 percent.

In mathematical terms, two-fifths is a proper fraction because the numerator is smaller than the denominator.

Two-fifths is commonly used to describe portions, shares, or probabilities involving five equally likely outcomes, where

In education and everyday counting, two-fifths serves as a straightforward example of a simple rational number

See also: fractions, decimal, percentage, ratio, rational number.

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It
can
be
added
or
subtracted
with
other
fractions
by
finding
a
common
denominator,
for
example
2/5
+
1/5
=
3/5
and
2/5
+
2/5
=
4/5.
Multiplication
follows
standard
rules:
(2/5)
×
(3/4)
=
6/20
=
3/10.
It
also
represents
a
ratio
of
parts
to
a
whole,
such
as
two
parts
out
of
five
equal
parts.
two
of
the
outcomes
are
favorable.
Its
decimal
representation
terminates
because
the
denominator
5
is
a
factor
of
10,
yielding
0.4,
which
corresponds
to
40%.
and
a
means
to
illustrate
fractional
arithmetic,
proportional
reasoning,
and
conversions
between
fractions,
decimals,
and
percentages.