Page 76 - Math Course 1 (Book 1)

Like Fractions

Subtract Fractions
Your Turn!

Example Subtract Fractions

17 11
Find - Write the difference in simplest
3 1 20 20
Evaluate r - q if r =7 and q = 9 form.
5 5
Estimate 8 - 9 = -1 A. 1 2
5
3
3 1 Replace r with 7
7
r - q =7 - 9 5 B.
5 5 1 10
and q with 9
5
6
38 46 Write the mixed numbers C.
= - 20
5 5 as improper fractions.
3
-8 Subtract the numerators. D.
= 10
5
3 Answer
Answer = -1 Simplify.
5

Subtract Mixed Numbers
7 2
Evaluate m − n if m = 4 and n = 8
9 9
1
A. 13 B.
9

C. -3 4 D. -4 5
9 9

Answer

Skill Practice!

Find each sum or difference. Write in simplest form.
4 6 5 5
1. + 2. +
15 15 6 6

7 9 1 4
3. + 4. 20 +1
10 10 25 25

11 5 7 11
5. - 6. 26 +11
12 12 12 12

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