How to convert decimal to fraction

Write down the decimal divided by 1, like this: decimal1

Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)

Simplify (or reduce) the fraction

Step-by-step explanation:

Step-by-step explanation:

Step 1: Write down the decimal divided by 1, like this:    decimal/1

Step 2: Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)

Step 3: Simplify (or reduce) the fraction

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.