math help

What is 10/6 + 2/10?

What is 10/6 + 2/10?

Here's how to add

10
6
+
2
10

Step 1

We can't add two fractions with different denominators (the bottom number). So you need to get a common denominator - both bottom numbers need to match. To do this, you'll multiply the denominators times each other... but the numerators have to change, too. They get multiplied by the other term's denominator.

So we multiply 10 by 10, and get 100, then we multiply 6 by 10 and get 60.

10/6 times 10

Do the same for the second term. We multiply 2 by 6, and get 12, then multiply 6 by 10 and get 60.

2/10 times 6

So now our fractions look like this:

100
60
+
12
60

Step 2

Since our denominators match, we can add the numerators.

100 + 12 = 112

Now we have an answer.

112
60

Step 3

Last of all, we need to simplify the fraction, if possible. Can it be reduced to a simpler fraction?

To find out, we try dividing it by 2...

Are both the numerator and the denominator evenly divisible by 2? Yes! So we reduce it:

112
60
÷ 2 =
56
30

Now, try the same number again.

Are both the numerator and the denominator evenly divisible by 2? Yes! So we reduce it:

56
30
÷ 2 =
28
15

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...

No good. 17 is larger than 15. So we're done reducing.

Congratulations! Here's your final answer to 10/6 + 2/10

10
6
+
2
10
=
28
15
© 2014 Randy Tayler