To write the mixed number 8 4 as a fraction, you start by recognizing that it represents 8 whole units and 4 additional parts of a whole.
The first step is to convert the whole number (8) into a fraction. You can express 8 as 8/1. Next, you need to combine this with the fractional part, which is 4. However, since 4 is still a whole number, we need to express it as a fraction as well. The fractional part can be expressed as 4/1.
Now, to convert the mixed number 8 4 to a single improper fraction, you can multiply the whole number by the denominator of the fractional part and then add the numerator of the fractional part:
1. Multiply the whole number (8) by the denominator of the fractional part (1): 8 × 1 = 8.
2. Add the result to the numerator of the fractional part: 8 + 4 = 12.
3. The denominator remains the same (1). So you combine these to get:
8 4 as a fraction is: 12/1, which simply equals 12.
In conclusion, when writing 8 4 as a fraction, it equals 12.