x = 20.148148148148....
so by multiplying by 1000 we can move the decimal point to again get that exact fraction part
1000x = 20148.148148148.....
1x = 20.148148148....
subtraction of the last two lines gives us the value for 999x,
999x = 20128 exactly!
Can you finish the final little step now?
x = 20.148148148148....
so by multiplying by 1000 we can move the decimal point to again get that exact fraction part
1000x = 20148.148148148.....
1x = 20.148148148....
subtraction of the last two lines gives us the value for 999x,
999x = 20128 exactly!
Can you finish the final little step now?
