Page 75 - Math Course 1 (Book 1)
P. 75
Like Fractions
Your Turn! MO. 2 - L4b
Adding Like Fractions
Find 2 + 8 Write the sum in simplest form. Subtracting Like Fractions
9 9
A. 5
9 Key Concept
1
B. 1
9 Subtracting Like Fractions
C. 1 2 Words To subtract fractions with like denomina-
9 tors, subtract the numerators and write
the difference over the denominator.
7
D. 1
9 a b a - b
Symbol - = , where c = 0
c c c
Answer
5 1 5 - 1 4
Example - = or
7 7 7 7
Add Mixed Numbers
3 5
Find 5 +2 Write the product in simplest
14 14
form.
1 Let’s Begin
A. 3
14
8
B. 7
14 Subtract Fractions
4
C. 7
7 Example
D. 8 1
14 Find 11 - 5 Write the difference in simplest
form. 12 12
Answer
Estimate 1- 1 = 1
2 2
Add Algebraic Fractions 11 - 5 = 11- 5 The denominators are
3x 5x 12 12 12 the same. Subtract the
Find + Write the sum in simplest form.
16 16 numerators.
x²
A.
2 6 1
Answer = 12 or 2 Simplify.
x
B.
2
x
C.
4
D. - x
8
Answer
67