Jerome's rain gauge show 13 9/10 CM at the end of last month at the end of this month the rain gauge showed 15 3/10 centimeter how many more centimeters of rain fell this month

What you must do for this case is subtract both quantities and verify the final result.

We have then:

15 3 / 10-13 9/10 =

Rewriting

15.3 - 13.9 =

1.4 =

1 4/10

answer:

this month fell 1 4/10 more centimeters of rain