Fractions and Decimals
1. Converting a decimal to a fraction:
To convert a decimal to a
fraction,
â€¢ In the numerator, place the digits to the right of the decimal
point
â€¢ In the denominator, put the place value named by the last digit
in the decimal if the â€œthsâ€™ is left off.
2. Converting a fraction to a decimal:
To convert a fraction to a
decimal, divide the numerator by the denominator. Be sure to follow
the given instructions regarding rounding or dividing until the
decimal terminates or repeats.
3. Multiplying with both decimals and fractionsan interesting
â€œcancellationâ€ opportunity.
Common factors can be divided out even when one or both of the
numbers are decimals.
Ex :
Sometimes, there are no common factors to divide out or it is simply
easier to convert the fractions to decimals and complete the
arithmetic.
