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CHAPTER 2 Introduction to Variables 41
Operations on Fractions with Variables
Multiplication of fractions with variables is done in exactly the same way as
multiplication of fractions without variables—multiply the numerators and
multiply the denominators.
Examples
7 3x 21x
¼
10 4 40
24 3 24 3 12 3 36
¼ ¼ ¼
5y 14 5y 14 5y 7 35y
34x 3 34x 3 17x 1 17x
¼ ¼ ¼
15 16 15 16 5 8 40
Practice
4x 2
1: ¼
9 7
2 6y
2: ¼
3x 5
18x 2
3: ¼
19 11x
5x 4y
4: ¼
9 3
Solutions
4x 2 8x
1: ¼
9 7 63
2 6y 2 6y 2 2y 4y
2: ¼ ¼ ¼
3x 5 3x 5 x 5 5x
