RPTQTA00_Monthly leave as 1.80 in place in 1.75

Hi Seniors,

I was tring with RPTQTA00 Leave generation,the problem is that for the month of April system generates 1.72 & for May its generating 1.80 and yearly leaves at 20.85.

where in my leave requirment is 1.75 monthly and 21 days yearly.

Please guide on the same.thanks.