A calculator can convert numbers that appear as decimals into numbers that appear as fractions. Fractions are generally considered more easy to use then decimals.
Check the manual of your specific calculator. What I have seen is usually something like the following: The calculator tends to automatically show fractions as mixed fractions. The calculator has a "fraction" key, often labelled ab/c. Pressing the "shift" key (or some similar key for "extra functions") followed by the fraction key will often to the desired conversion in the other way (from mixed to improper).
Divide the denominator into the numerator. Multiply the answer by 100.
The usual method is to convert the fractions to equivalent fractions with a common denominator. Then you can simply compare the numerators. You can also convert each of the fractions to a decimal - this can easily be done with a calculator, simply divide the numerator by the denominator.
18.5. You should get a calculator that can do fractions or use wolframalpha.com
with a calculator
A fractions calculator can be bought online or from your local supplies store. A dedicated agent will be happy to show you the calculator that you need for math.
Hit MATH and then 1 to change from decimal to fraction or 2 to change from fraction to decimal
Type it into a calculator
A calculator can convert numbers that appear as decimals into numbers that appear as fractions. Fractions are generally considered more easy to use then decimals.
If your calculator is a scientific one then just press the S<=>D button
The Royal Bank mortgage calculator does include fractions in its calculations even though they are not shown. This is why the figures do not add necessarily up to what they ought to logically. Not using fractions keeps it cleaner for the user.
How to add fractions on a texas instruments TI-81
Check the manual of your specific calculator. What I have seen is usually something like the following: The calculator tends to automatically show fractions as mixed fractions. The calculator has a "fraction" key, often labelled ab/c. Pressing the "shift" key (or some similar key for "extra functions") followed by the fraction key will often to the desired conversion in the other way (from mixed to improper).
That function depends on the calculator's capabilites. Some calculators do not show fractions. They only represent fractions as a decimal value (e.g. 50% is represented in the calculator as .5). If your calculator has a fraction function, you can enter 50% then press the fraction button & it will display 1/2 (which is the lowest fraction for 50%).
Divide the denominator into the numerator. Multiply the answer by 100.
you have to press F<-->D button, short for fractions - to - decimals