pls I need a answer pls I will brainliest if your answer is correct and if your answer is nonsense i will report you

Using colon

1. 2:18 = 10:60

2. 300:3=400:4

3. 3:5=6:10

4. 39:3=78:6

5. 24:3=32:4

Using fractions

1.2/18 =10/60

2.300/3=400/4

3.3/5=6/10

4. 39/3=78/6

5.24/3=32/4

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.