Best Answer

(7/9)-(5/18)

(14/18)-(5/18)

(14-5)/18

9/18

1/2 ◄

Rule: (a/b)-(c/d) = (ad-bc)/(bd)

(126-45)/162

81 / 162

1 / 2 ■

Q: How do you subtract and simplify 7over 9 Minus 5 over 18?

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7/8 - 2/6 = 7/8 - 1/3 = 21/24 - 8/24 = 13/24

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

7/8 minus 2/3 is 5/24

23/18

28 divided by 7 is 4. SO 63 minus 4 = 59

Related questions

7/18 - 5/18 = 2/18 = 1/9

7/8 - 2/6 = 7/8 - 1/3 = 21/24 - 8/24 = 13/24

(t-7)/w = (-3-7)/-2 = -10/-2 = +5 ( minus over minus = plus)

6xsquared minus 26x minus 5 over 3xsquared minus 15x

Yes. Anything minus itself is zero.

If you multiplied all the terms by y2, you could simplify this to -3y3.

Anything minus itself equals zero.

1/4

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

3/4 minus 1/6 is 7/12

4/7 minus 1/6 = 17/42

7/8 minus 2/3 is 5/24