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Well,

What you are basically asking for is the differencebetween the two fractions. This can be found by finding the lowest common denominator. Here's how:

The denominator is the number at the bottom of your fraction. In the case of 1/3 and 1/4, the denominators are 3 and 4 and the numerators are both 1.

The lowest common denominator, or LCD, is the closest number that can be divided by the denominator of each fraction. In this case, the LCD is going to be 12, since 12 is the lowest number that can be divided by both 3 and 4.

You want to turn the denominator of each fraction into the LCD. To do this you need to multiply each fraction by the number it takes to turn your denominator into the LCD. Since you multiply the denominator, you also need to multiply the numerator, thus:

1/3 * 4/4 = 4/12

&

1/4 * 3/3 = 3/12

(dont forget that 1/3 = 4/12 and 1/4 = 3/12)

Now you have something you can work with!

3/12 - 4/12 = -1/12

You cant simplhe frqaction anymore so you are done. The difference between 1/4 and 1/3 is -1/12

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Wiki User

13y ago

What else can I help you with?