Maths Homework ! - Fractions

[Iggle Piggle]

Maths homework for my son has the question 30.36 = 30+?+6/100
What is the missing number?
It has me stumped, any help out there?
thanks, I have a mental block!

[fiction-factory]

3/10

[fiction-factory]

He will have done tens and units then 1/10ths and 100ths

[Iggle Piggle]

yay! thanks, mental block shifted and it makes sense, thanks.

[Togo]

.36 is 6 x 6/100ths So if he has 6/100ths he needs another 30

[zebo]

In 30.36, the values are 3x10, 0x1, 3 x 1/10 and 6x 1/100.

A third decimal place would be x 1/1000
A fourth d.p. would be x 1/10000

and so on.