Arrange the given decimals in ascending order.
12.34 ,12.12, 12.45, 12.54
12.12 , 12.34 , 12.45 ,12.54
When we compare the whole number part of the decimals, we have 12 in all the decimals.
When we compare tenth place, we have 1 in ( tenth place in 12.12) < 3 ( tenth place of 12.34 ) < 4 ( tenth place of 12.45 ) < 5 ( tenth place of 12.54)