Q: How do you subtract and simplify 7 over 18 minus 5 over 18?

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You have to get the same common denominator, 9x2 is 18, so 7x2 is 14. 14/18-5/18 is 9/18. 9/9 is 1 and 18/9 is 2, so you are left with 1/2

(7/9)-(5/18)(14/18)-(5/18)(14-5)/189/181/2 ◄Rule: (a/b)-(c/d) = (ad-bc)/(bd)(126-45)/16281 / 1621 / 2 ■

can you simplify 18 over 44

In order to subtract, the denominators must be the same. The easiest way is to multiply 18 and 24, which equals 432. You will also have to multiply the numerators. Think of it like this: 24*(5/18) and 28*(7/24). You are multiplying the fraction as a whole. So, 24*5=120 and 18*7=126 Now the fractions are 120/432 and 126/432. Subtract them, and you get -6/432. To simplify, find a common number that both the numerator and denominator can divide by. Let's try 6. -6/6 = -1, and 432/6 = 72. Your simplified fraction is -1/72.

There is no need to simplify this, it is only a sum. 21 + (10/2) - 18 = 8

6/7 - 2/3 = 18/21 - 14/21 = 4/21

29 over 18 is simplified.

the answer is 12/18

Yes.

by simpifying it

14/18 = 7/9

18/90=1/5