The blue part of the flag can be written as a fraction by dividing the area of the blue portion by the total area of the flag.
The flag of Algeria seems to be fairly close to your description. The related link shows the Algerian flag.
The knights of white Kamelia flag has 5 red squares and 4 white squares
It is 26/52, a fraction which can be simplified.
3/24
No, Canada has a flag that is white with a large red maple leaf.
In 1967 the current flag replaced the Red Insign
1/2
Probably a red leaf; it is on Canada's flag.
1/2
1/5
Red and white are the colours on the Canadian flag.
Red and White.
china's flag is red with stars, nepals flag is 2 red triangles
Canada
White and red.
Since Red and White are Canada's national colours.