1.75
1 = full number
3/4 = 75 out of 100
[tex] 1\frac{3}{4} =1+0.75=1.75 [/tex]
Or,
[tex] 1\frac{3}{4} =\frac{1*4 + 3}{4} =\frac{7}{4} [/tex]=1.75
