7. Your answer should be greater then 48 because 45.3+3.21 equals 48.51 11. It is important to keep the decimals lined up when adding or subtracting fractions because if you don’t line them up no digit will place value for one of the numbers .
45.3+3.21=48.51 which is greater than,its important to add the decimals because u would never know with what number your working with on decimal occasions.
