How do you simplify 15245?

1 Answer
Jun 14, 2017

The solution is 752 .

Explanation:

To subtract numbers involving fractions, both have to have the same DENOMINATOR.

152 has the denominator 2.
45 has the denominator 1.

Since 2 and 1 are not the same, change 45 to have a denominator of 2 to make both fractions have the same denominator.

To give 45 a denominator of 2, multiply 45 by 22.

[We can multiply by 22 because 22=1, which means we didn't change the original problem! ]

You should end up with 152902 .
[The 90 came from 452=90]

Now that they have the same denominator, subtract 90 from 15 to get your new numerator, 75!
1590=75

Keep the DENOMINATOR as 2 because when subtracting fractions, the denominator DOES NOT CHANGE.

752 cannot be simplified, so your final answer should be 752 .