Convert 1 to a fraction with the same denominator as the one you're subtracting.
1 - 2/5 = 5/5 - 2/5 = 3/5
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Example: 20/17 minus 1 20/17 minus 17/17 3/17
you changed the 1 into a fraction, so 1 turns into 3 thirds. then you can easily subtract from 1 thirds. Then the answer would be 2/3. Your Welcome! :)
yes you can. You can add and subtract ANY number, negative or positive, even if it is a decimal. For example 1 + 1 = 2 -1+-1 = -2 -1+1 = 0 A minus plus a minus is a minus. A minus plus a positive is a minus.
There are infinitely many solutions to that. Pick any fraction. Subtract 1 minus that fraction to get the second fraction. Examples: 1/2 + 1/2 3/2 + (-1/2) 1/5 + 4/5 2/17 + 15/17 etc.
if the question u are asking is something like this 1/2 - ( - 1/2 ) then the answer is simple all you have to do is solve the equation like this 1/2 - ( - 1/2 ) = 1/2 + 1/2 = 2/2 = 1 its the - (-1/2) that is important remember the rule minus and minus equal plus plus and plus equal plus minus and plus equal minus remember and i hope it helps :)