To express the decimal number 12.5 as a fraction, you can follow a simple step-by-step process:
- Understand the Decimal: The number 12.5 can be decomposed into two parts: the whole number 12 and the decimal part 0.5.
- Convert the Decimal Part: The decimal 0.5 is equivalent to the fraction 1/2.
- Combine the Parts: To combine these two parts into a single fraction, you can express the whole number 12 as a fraction:
- 12 can be written as 12/1.
- Add the Fractions: Now combine 12/1 and 1/2. To do this, you need a common denominator, which is 2:
- Convert 12/1 to a fraction with a denominator of 2: (12 × 2)/(1 × 2) = 24/2.
- Now add 24/2 and 1/2: 24/2 + 1/2 = 25/2.
- Final Result: Therefore, 12.5 expressed as a fraction is 25/2.
So, in conclusion, 12.5 as a fraction is 25/2.