5m 7dm: 5m + $\frac{7}{10}$ m = 5 $\frac{7}{10}$ m            

2m 3dm = 2m + $\frac{3}{10}$ m = 2 $\frac{3}{10}$ m

4m 37cm = 4m + $\frac{37}{100}$ m = 4 $\frac{37}{100}$ m             

1m53cm = 1m + $\frac{53}{100}$ m = 1 $\frac{53}{100}$ m