1/2 + 7/20 = 17/20
Three tenths plus one twentieth can be calculated by finding a common denominator. The common denominator for 10 and 20 is 20. Converting three tenths to twentieths gives us six twentieths, so adding one twentieth results in six twentieths plus one twentieth, which equals seven twentieths. Therefore, three tenths plus one twentieth equals seven twentieths.
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.
It is one and nine twentieths.
seven-tenths = fourteen- twentieths half way between 3/20 and 14/20 is (3+14)/2 twentieths = 8.5 twentieths 8.5/20 = 17/40 or seventeen fortieths
four and three twentieths :)
2.15 or 2 and three twentieths
Nine twentieths, or just under one half.
seven and nineteen twentieths (or 159/20)
No because one half is equivalent to ten twentieths!
Seven twentieths (7/20 or 7 20ths) equals 35 percent.
-0.35
five and seven twentieths