What is 20/17 + 2/4?
|
Let's add
|
||||||||||||||||||
Step 1Can you add yet? Nope! The denominators don't match. We need a common denominator. So next we take both denominators and multiply them. Next, take each numerator and multiply it by the denominator of the other term. So, we multiply 20 by 4, and get 80, then we multiply 17 by 4 and get 68. Now for the second term. You multiply 2 by 17, and get 34, then multiply 17 by 4 and get 68. We now have a new problem, that looks like this:
|
||||||||||||||||||
Step 2Since our denominators match, we can add the numerators. 80 + 34 = 114 Answer:
|
||||||||||||||||||
Step 3Now, do we need to simplify this fraction? First, we attempt to divide it by 2... Are both the numerator and the denominator evenly divisible by 2? Yes! So we reduce it:
Now, try the same number again. Nope. Try the next prime number, 3... Nope. Try the next prime number, 5... Nope. Try the next prime number, 7... Nope. Try the next prime number, 11... Nope. Try the next prime number, 13... Nope. Try the next prime number, 17... Nope. Try the next prime number, 19... Nope. Try the next prime number, 23... Nope. Try the next prime number, 29... Nope. Try the next prime number, 31... Nope. Try the next prime number, 37... No good. 37 is larger than 34. So we're done reducing. Congratulations! Here's your final answer to 20/17 + 2/4
|