Fractions and Decimals
1. Converting a decimal to a fraction:
To convert a decimal to a
fraction,
• In the numerator, place the digits to the right of the decimal
point
• In the denominator, put the place value named by the last digit
in the decimal if the “ths’ 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 fractions-an interesting
“cancellation†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.
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