what is -7/8 + 1/2 - (-3/4)?
2006-12-07 09:50:27 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
-7/8+1/2- (-3/4)
= -7/8+4/8- (-6/8)
= -7/8+4/8+6/8
= 3/8
2006-12-07 09:53:54 · answer #1 · answered by anonymousperson 4 · 1⤊ 0⤋
3/8
2006-12-07 09:52:59 · answer #2 · answered by elizabeth 1 · 0⤊ 0⤋
Your first step is to distribute the minus sign. Note that two minus signs make a plus.
-7/8 + 1/2 + 3/4
Now, you need to find the lowest common denominator of 8,2, and 4. The LCD is 8. Put all of those fractions over 8.
-7/8 + 4/8 + 6/8
Now, add the numerators as normal.
(-7 + 4 + 6)/8
3/8
2006-12-07 09:53:03 · answer #3 · answered by Puggy 7 · 1⤊ 0⤋
first change everything to a common number and here we see it is 8
so with that we have -7/8 +4/8 -(-6/8) and that is =3/8
2006-12-07 10:02:01 · answer #4 · answered by Mitchell b 3 · 0⤊ 0⤋
The correct answer to your problem is -1 1/8
2006-12-07 09:55:00 · answer #5 · answered by BMax 2 · 0⤊ 1⤋
Have you ask your math teacher or geek friends?
2006-12-07 09:52:59 · answer #6 · answered by Winterfresh 2 · 0⤊ 1⤋
ask ur teacher
2006-12-07 09:52:21 · answer #7 · answered by Wii 1 · 0⤊ 1⤋