MATHS

Page 1

fraction -> decimals

1//8 -> 0.125

decimals -> fractions

0.125 -> 125/1000

percentage -> decimals

20% -> 0.2

(DIVIDE BY 100)

decimal -> percentage

0.2 -> 20%

(MULTIPLE BY 100)

percentage -> fraction

25% -> 1/4

[25/100]

fraction -> percentage

1/4 -> 25%

66

/ \

11 6

/ \

2 3

= 2 x 3 x 11

84

/ \

2 42

/ \

6 7

/ \

2 3

=2 x 2 x 3 x 7 = 2^2 x 3 x 7

HCF is the highest number that will divide to both.

Both 2 and 3 divide into both but 3 is the highest

THE HCF OF 66 AND 84 IS 3//

LCM everything in the venn diagram multiplied together

multiply 2 and 3 = 6

LCM OF 66 AND 84 IS 6//

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