Glencoe Math: Course 2, Volume 1
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Glencoe Math: Course 2, Volume 1 View details
4. Add and Subtract Unlike Fractions
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Exercise 26 Page 297

To add or subtract fractions, they need to have the same denominator.

17/96

Practice makes perfect
When adding or subtracting fractions, they should have the same denominator. In this exercise, we are given two fractions with different denominators. 34/8 + 13/4 First, we will simplify these fractions. Let's take a look.
34/8 + 13/4
3/4* 8+1/3* 4
3/32+1/12
To add fractions, their denominators need to be the same. Since 96 is the least common denominator of the two fractions, we can multiply both the numerator and denominator of 332 by 3 and 112 by 8 to create a common denominator. We will start with the first fraction.
3/32
3* 3/32* 3
9/96
Let's continue with the second fraction.
1/12
1*8/12*8
8/96
Now, since the denominators are the same, we can subtract the fractions.
9/96+8/96
9+8/96
17/96