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Math Problems
Grade 8
Add and subtract rational numbers
(
7
+
7
)
⋅
(
7
+
1
7
)
=
(7+7)\cdot(7+\frac {1}{7})=
(
7
+
7
)
⋅
(
7
+
7
1
)
=
______
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Subtract.
\newline
(
1
4
)
−
(
3
4
)
=
(\frac{1}{4}) − (\frac{3}{4}) =
(
4
1
)
−
(
4
3
)
=
_____
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