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To find out how many tenths a fifth is less than 7 tenths, we first need to calculate what a fifth of 7 tenths is. A fifth of 7 tenths is 7 tenths multiplied by 1/5, which equals 7 tenths multiplied by 0.2, resulting in 1.4 tenths. To determine how many tenths this is less than 7 tenths, we subtract 1.4 tenths from 7 tenths, giving us 5.6 tenths. Therefore, a fifth is 5.6 tenths less than 7 tenths.
30 tenths = 30/10 = 30 ÷ 10 = 3.0
9/10 =27/30 2/3 = 20/30 27/30 - 20/30 = 7/30
it is 7 tenths or the 7 is in the tenths position
7 tenths is larger.