Chapter 3 Fractions

CHAPTER 3 FRACTIONS

NOTE OF FRACTIONS 1. Fraction . Example :

1 5

Numerator Denominator

2. Equivalent Fraction- same fraction 3.A Mixed Number – Example : 4

1 2

=

2 4

1

5 1 4 2 4. Proper fraction – Example : , 5 5 7 11 24 32 5. Improper fraction – Example: , 5 5 7 6. Addition and subtraction of fraction 1 3 4 3 1 2 Example : + = − = 7 7 7 5 5 5

=

3 6

QUESTION OF FRACTIONS

⎛  1 5 ⎞ 1. Calculate ⎜ 2 − 1 ⎟ ⎝  8 6 ⎠

2. Evaluate 2

3. Change 3

1

−1

4

7 12

1 6

into into an impr improp oper er frac fracti tion on..

1 3 2 4. 1 + + = 4 8 3

1 3 5. 4 − 1 − = 2 8

⎛  1 1 ⎞ 3 6. ⎜ 2 − 1 ⎟ ÷ = ⎝  8 4 ⎠ 4

7.

5 6

÷

2 3

3

5

5

9

− ×

=

1 ⎛  1 2 ⎞ 8. 1 ÷ ⎜1 + ⎟ and express the answer as a fraction in its lowest term. 9 ⎝  3 5 ⎠

9. Ahmad has 150 pens. He sold unsold.

1 ⎞ 4 ⎛  10. Evaluate 2⎜ 3 − 1 ⎟ × 8 ⎠ 9 ⎝ 

5 6

of the pens. Calculate the number of pens left