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three- twentieths as a decimal = 0.153/20= 3 ÷ 20= 0.15 in decimal
It is 0.15
First we need to convert them into like terms. Three fifths is twelve twentieths. Three fourths is fifteen twentieths. Together that is twenty-seven twentieths. That is one and seven twentieths or 1.35 in decimal.
Thirteen twentieths as a decimal is 0.65
Fifteen twentieths can be simplified by dividing both the numerator and denominator by 5 to get 3/4. This means that fifteen twentieths is equal to three fourths. In decimal form, 15/20 is equal to 0.75.