Tips to Simplify Fractions!
I love this! This is from my 5th grade teacher!
Suppose you end up with a fraction such as 981/432. Can this be simplified?
Here are the tips:
If the number is even, 2 is a factor. (You knew this one!)
If the number ends in 0 or 5, then 5 is a factor.
If it ends in just 0 but not 5, then 10 is a factor.
If the DIGITS in the number ADD UP to a number that 3 is a factor of, then 3 is a factor!
If the DIGITS in the number ADD UP to a number that is divisible by 9, then 9 is a factor!
So above you have 981/432.
Add 9+8+1 and you get 18. Now add 1 + 8 if you need...