We pronounce 1/2 as one-half, 1/4 as one-quarter, and 3/4 as three-quarters.
How do you read a 1 1 ratio?
1:1 ratio is 1 part or 1 unit of a particular quantity. Ratio is a definition of how big something is compared to something else (in quantity, number, value). It does not require items on the two sides of the colon to be the same in any way.