\({5 \over 4p}-{6 \over 4p}=-{1 \over 4p}\)

\({5 \over a}+{9 \over 6a}={30 \over 6a}+{9 \over 6a}={39 \over 6a}={13 \over 2a}\)

\({6 \over 7x}+{2 \over 3y}={18y \over 21xy}+{14x \over 21xy}={18y+14x \over 21xy}\)

\(3+{2 \over 5a}={3 \over 1}+{2 \over 5a}={15a \over 5a}+{2 \over 5a}={15a+2 \over 5a}\)

\(2x-{9 \over 8x}={2x \over 1}⋅{8x \over 8x}-{9 \over 8x}={16x^2 \over 8x}-{9 \over 8x}={16x^2-9 \over 8x}\)

\({7x \over y}-{4 \over 9y}={63x \over 9y}-{4 \over 9y}={63x-4 \over 9y}\)

\({3b \over 5a}+{7a \over 2b}={6b^2 \over 10ab}+{35a^2 \over 10ab}={35a^2+6b^2 \over 10ab}\)

\({2x \over x}={2 \over 1}=2\)

\({a \over 6a}={1 \over 6}\)

\({-12p \over -16p}=\frac{3}{4}\)

\({16a \over 2a}=8\)

\({-10xy \over 12xz}=-{5y \over 6z}\)

\({-15q \over 20pq}=-{3 \over 4p}\)

\({-20xyz \over 4yz}=-5x\)

\({4ab \over b}+{3ac \over c}=4a+3a=7a\)

\({2 \over a}⋅{3 \over b}={6 \over ab}\)

\({x \over 9}⋅{4 \over y}={4x \over 9y}\)

\(-{5 \over 2}⋅a=-{5a \over 2}\)

\({7 \over x}:{6 \over y}={7 \over x}⋅{y \over 6}={7y \over 6x}\)

\({9 \over 4}:p={9 \over 4}:{p \over 1}={9 \over 4}⋅{1 \over p}={9 \over 4p}\)

\({7a \over 2}+{a+8 \over 3}={21a \over 6}+{2(a+8) \over 6}={21a+2(a+8) \over 6}={23a+16 \over 6}\)

\({-6a+3 \over -9a+7}+5={-6a+3 \over -9a+7}-{-5(-9a+7) \over -9a+7}={-6a+3+5(-9a+7) \over -9a+7}={-6a+3-45a+35 \over -9a+7}={-51a+38 \over -9a+7}\)

\({2p^2-3p-10 \over p}={2p^2 \over p}-{3p \over p}-{10 \over p}=2p-3-{10 \over p}\)

\({2x^2+4x-9 \over 3x^2}={2x^2 \over 3x^2}+{4x \over 3x^2}-{9 \over 3x^2}=\frac{2}{3}+{4 \over 3x}-{3 \over x^2}\)