Ok can u guys please help me
Evaluate 1/3m -1 - 1/2n when m=21 and n=12
OK like whatever I've got it now
Of course! To evaluate the expression 1/3m - 1 - 1/2n when m = 21 and n = 12, we can substitute the values of m and n into the expression and perform the calculations.
Let's start by substituting the value of m = 21:
1/3m - 1 - 1/2n
= 1/(3 * 21) - 1 - 1/2n
= 1/63 - 1 - 1/2n
Next, let's substitute the value of n = 12:
1/63 - 1 - 1/2 * 12
Simplifying further:
= 1/63 - 1 - 1/24
To perform arithmetic operations with fractions, we need to find a common denominator. In this case, the common denominator is 63 * 24 = 1512.
Multiplying and adjusting the fractions:
= (1 * 24) / 1512 - (1 * 63) / 1512 - (1 * 63) / 1512
= 24/1512 - 63/1512 - 63/1512
Now we can combine the fractions:
= (24 - 63 - 63) / 1512
= -102 / 1512
The fraction -102/1512 cannot be simplified further, so that would be our final answer.
and it only took three minutes.
impatient much?