12/21 in its simplest form
12/21 in its simplest form is 4/7.To find this out we need to divide the numerator and denominator by the GCF of 12 and 21 which is 3.12/2112 ÷ 3 = 421 ÷ 3 = 74/712/21 in its simplest form is 4/7.12/21 = 4/7
the answer is 4/7 12/3=4 21/3=7