Question

Work out 2 1/2 − 1 2/9 Give your answer as a mixed number where appropriate.

Answer 1

Answer:

1 $\frac{5}{18\\}$

Step-by-step explanation:

So first, we need to convert the mix # into a whole fraction, which the equation is going to be 5/2 - 11/9.

You multiply the whole # 2 in the first fraction with the denominator which is also 2, and you get 4, then plus the 1 in the numerator, which is 5. Keep the denominator and the fraction is 5/2.

As above, for the second fraction, you multiply 1 by 9 and add 2 to the result, which you get 11 then keep the denominator - 9, the fraction is 11/9.

Then, we can multiply them both and make the denominator into 18. Don't forget to multiply the top # too. Which we get-

45/18 - 22/18

Now we have the same denominator, we can subtract the numerators.

45-22 = 23

Then we put the # back into the fraction, which we will get 23/18

Subtract 18 from 23, we get 5, which means the mix # would be 1 $\frac{5}{18\\}$

I hope this helps!

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