What is 3/12 equivalent to?

2 Answers
Mar 20, 2018

1/4

Explanation:

We want to simplify using common divisors.

We know that 3 is prime, so it can only be written as #1*3#.

We know that 12 is composite, so it can be written as #1 * 2 * 2 * 3#.

The only common divisor (other than 1) is 3. Therefore, we can take out three from both and get

#3/12 = (1 * 3) / (1 * 2 * 2 * 3) = 1 / (1 * 2 * 2) * 3/3 = 1/4#

Mar 20, 2018

#1/4#

Explanation:

#"Equivalent fractions can be formed by multiplying or"#
#"dividing the numerator/denominator of a fraction by"#
#"the same value"#

#"dividing 3 and 12 by 3 using cancelling gives"#

#cancel(3)^1/cancel(12)^4=1/4larrcolor(blue)"in simplest form"#

#"a fraction is in "color(blue)"simplest form ""when no other factor"#
#"but 1 will divide into the numerator/denominator"#

#"multiplying numerator/denominator by the same value"#
#"also gives equivalent fractions"#

#(3xxcolor(red)(2))/(12xxcolor(red)(2))=6/24#

#(3xxcolor(red)(3))/(12xxcolor(red)(3))=9/36#

#1/4,6/24" and "9/36" are some examples of fractions"#
#color(white)(xxx)"equivalent to "3/12#