Convert 12.8 to a fraction. The answer should be given in simplest form. (1 point)
1. 12 2/15
2. 12/8
3. 12 4/5
4. 12 8/10
To convert a decimal to a fraction, we can write 12.8 as 12 + 0.8 and simplify it.
The fraction form of 0.8 is 8/10, which can be simplified to 4/5.
Therefore, the answer is 12 4/5.
To convert 12.8 to a fraction, we can follow these steps:
Step 1: Write down the whole number part of the decimal. In this case, the whole number is 12.
Step 2: Multiply the decimal part by a power of 10 to make it a whole number. Since there is one digit after the decimal point, we multiply by 10.
12.8 * 10 = 128
Step 3: Write the decimal part as the numerator of the fraction with the power of 10 as the denominator.
12.8 = 128/10
Step 4: Simplify the fraction, if possible. Since both the numerator and denominator are divisible by 2, we can simplify by dividing both by 2.
128/10 = 64/5
Therefore, the fraction equivalent of 12.8, in simplest form, is 64/5.
The answer is option 3: 12 4/5.