9
Divide the denominator into the numerator.
keep your decimals in the right position
You divide the numerator by the denominator.
Divide the denominator into the numerator.
It is: 20,000/550,000 times 100 = 3.63% recuring decimals of 0.63
Rational 5.121212 = 5 121212/1000000 As a rational fraction . However, if you mean 5.121212.... (recuring to infinity_ Then Let P = 5.121212.... & 100P = 512.121212... Subtract 99P = 507 (Note the recuring decimals subtract to zero) P = 507/99 P = 5 12/99 P = 5 4/33 Which is also rational . NB Terminating decimals do NOT have a series of stops. Recuring to infinity decimals have three or more dots/stops after the last decimal digit.
9
Fractions to decimals: Divide the numerator by the denominator. Decimals to fractions: Put the fraction without the decimal point in the numerator. In the denominator, put a "1", followed by as many zeroes as there are decimals. For example, 0.058 becomes 58 / 1000.
By dividing the numerator by the denominator
Divide the denominator into the numerator.
There are several rules for decimals, depending on what you want to do.
keep your decimals in the right position
It must be of the form 2a*5b where a and b are non-negative integers. That is to say, it must be a number whose only factors are 2 or 5.
You divide the numerator by the denominator.
Divide the denominator into the numerator.
Divide the numerator by the denominator