$5dam^{2} 23m^{2}  = 5dam^{2} + \frac{23}{100} dam^{2} = 5\frac{23}{100}dam^{2}$

$35dam^{2} 86m^{2} = 35dam^{2} + \frac{86}{100}dam^{2} = 35\frac{86}{100}dam^{2}$

$26dam^{2} 4m^{2}=26 dam^{2} + \frac{4}{100}dam^{2}= 26\frac{4}{100}dam^{2}$