−1.8:−0.09=
Let's convert 1.8 to a simple fraction:
Let's convert 0.09 to a simple fraction:
Let's multiply the first fraction we got by 10 to get a common denominator of 100:
Now the exercise we got is:
Let's convert the division exercise to a multiplication exercise, and don't forget to swap the numerator and denominator in the second fraction:
Let's reduce the 100 in both fractions and we get:
Let's break down 180 into a multiplication exercise:
Let's reduce the 9 in both the numerator and denominator of the fraction and we get: