Start with 3 1/4. 3 whole units, and 1/4 (one quarter of a unit) added. How many quarter units are in 3 whole units? Each unit contains 4 quarters, or 4/4. So 3 units contains 12quarters. 12 quarters plus the one added quarter give you 13 quarters, or 13/4. Do this division, 13 divided by 4, and you will have your decimal.
Another way to think of it is that in the answer you are already going to have the 3 in place, because the fractional remainder (the 1/4) is not greater than one. Do the division 1/4, or 1 divided by 4, and add that decimal to the 3. 1/4 is equal to .25, so the answer will be 3.25.
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4/12 as a decimal is 0.'3' recurring '3'
It is the same as 1 over 3. In decimal format 1/3 = 0.3333333.......
1 over 3 as decimal is 1 divide 3, and this is 0.33333333.......
It is: 1/3 = 0.333.....recurring as a decimal and 33.33% as a percenage recurring decimal 3
3.166666 repeating