What is 18 9/11 - 8 3/8

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Step-by-step explanation:

18 9/11 - 8 3/8

First, we need to convert these fractions to improper fraction,

(18 * 11 + 9 / 11) - (8 * 8 + 3 / 8)

=> 207 / 11 - 67 / 8

Next, we need to find the LCM, the LCM of 8 and 11 = 88 (This is because 8 and 11 share no common factors other than 1, so the LCM will be the product of the 2 numbers)

=> (207 * 8) / (11 * 8) - (67 * 11) / (8 * 11)

=> 1656 / 88 - 737 / 88

So, then we just need to subtract the numerators to get the answer,

=> (1656 - 737) / 88

=> 919 / 88

Now, let us return it to the mixed fraction form,

=> 10 39/88

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if x decreases by 4 then y increases by 10

step-by-step explanation: