4 tenths
9/10 = 0.9
Sixty nine and seven tenths as a mixed number = 697/10
0.4 + 0.5 = 0.9, or nine tenths.
3/5 also equals 6/10 or 6 tenths The answer is therefore 6 tenths minus 9 tenths = minus 3 tenths Assuming of course that these portions are from the same object/ number etc. you have 30% less than when you started.
4 tenths
It equals ninety hundredths.
Nine tenths minus eight fifteenths equals eleven thirtieths.
9/10 = 0.9
Sixty nine and seven tenths as a mixed number = 697/10
It is ninety nine and nine tenths.
17/20
12.9 IS a decimal number. It is twelve and nine tenths.
0.4 + 0.5 = 0.9, or nine tenths.
5.2
8.9
8