# Math - missing fraction

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Please advise how it is I go about finding the missing fraction. I get so confused. The problem is: N-3/5=1/4

I know the LCD would be 20 but from there, I am lost. Thank you.

• Math - missing fraction -

To get equivalent fractions, multiply the numerator and the denominator by the same number.

3/5
20/5 = 4
3 * 4 = 12
3/5 = 12/20

Do the same for 1/4

http://www.mathsisfun.com/equivalent_fractions.html

• Math - missing fraction -

5/9

• Math - missing fraction -

if we multiply a fraction by itself and divide the product by its resiprocal then we get the fraction 512/27.which one of the following fraction is the original fraction

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