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Last updated on March 12th, 2025
It is a simple question on decimal conversion. Firstly, we have to learn fractions and decimals. A fraction represents a part of the whole. It has two parts: the numerator (number on the top), here -2, which represents how many parts out of the whole are being considered, and the denominator (number below), here 5, which shows how many parts make up the whole. A decimal is a way to represent a number that is not whole, using a decimal point (.) to separate the whole part from the fractional part. The numbers to the left of the decimal point represent the whole, and those to the right represent the fractional part.
-2/5 in decimals can be written as -0.4. It is a terminating decimal, meaning it does not repeat the same digit infinitely.
To convert -2/5 into a decimal, we will use the division method. Let's see the step-by-step breakdown of the process:
Step 1: Identify the numerator and denominator; the numerator (-2) will be taken as the dividend and the denominator (5) as the divisor.
Step 2: Divide -2 by 5. Here, as -2 is smaller than 5, the result will be less than 1, so we will add a decimal point in the quotient.
Step 3: As -2 divided by 5 equals -0.4, this division gives a terminating decimal.
The answer for -2/5 as a decimal is -0.4.