Fractions

Question 1

Proper fraction

Answer 1

numerator is less than denominator (e.g. 3/7)

Question 2

Improper fraction

Answer 2

Numerator is more than denominator (7/3)

Question 3

Mixed number

Answer 3

Mixed number contains both a whole number and a fraction e.g. 2 2/3 or
7 3/4

Question 4

Convert Mixed number

7 and 3/4 into fraction

Answer 4

7 and 3/4=

(28 + 3)/4=
31/4

Question 5

RATIO rules

Answer 5

To simplify ratio:
- order of ratio is really important
- should be no unit in ratio
- ratios should be given to its simplest form

Question 6

Simplify ratio 25:35

Answer 6

Simplifying ratio 25:35

both can be divided by 5

5:7

Question 7

Simplify ratio 18:45

Answer 7

Simplifying ratio 18:45
both can be divided by 9

2: 5

Question 8

Sharon and Monica share sweets in the ratio of 9:7. If Monica get 77 sweets how many sweets Sharon gets

Answer 8

9:7

we multiply by 11 both
which gives 77 sweets for Monica and 99 sweets for Sharon

Question 9

Combining ratio

If ratio of circles to triangles is 2:3
and ratio of triangles to rectangles is 2:5
what is the ratio of circles to rectangles

Answer 9

C:T
2:3; 4:6 (if multiplied by 2)

T:R
2:5 6:30 (if multiplied by 3)

C:T:R
4:6:30