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

\({2 \over x}+{5 \over 6x}={12 \over 6x}+{5 \over 6x}={17 \over 6x}\)

\({9 \over 7x}+{3 \over 4y}={36y \over 28xy}+{21x \over 28xy}={36y+21x \over 28xy}\)

\(6-{4 \over 5p}={6 \over 1}-{4 \over 5p}={30p \over 5p}-{4 \over 5p}={30p-4 \over 5p}\)

\(9a+{4 \over 3a}={9a \over 1}⋅{3a \over 3a}+{4 \over 3a}={27a^2 \over 3a}+{4 \over 3a}={27a^2+4 \over 3a}\)

\({9a \over b}+{7 \over 6b}={54a \over 6b}+{7 \over 6b}={54a+7 \over 6b}\)

\({9q \over 4p}-{7p \over 8q}={18q^2 \over 8pq}-{7p^2 \over 8pq}={-7p^2+18q^2 \over 8pq}\)

\({9x \over x}={9 \over 1}=9\)

\({a \over 9a}={1 \over 9}\)

\({8x \over 10x}=\frac{4}{5}\)

\({8x \over 2x}=4\)

\({-12ab \over 16ac}=-{3b \over 4c}\)

\({-10y \over 14xy}=-{5 \over 7x}\)

\({32pqr \over -4qr}=-8p\)

\({6ab \over b}+{4ac \over c}=6a+4a=10a\)

\({4 \over a}⋅-{2 \over b}=-{8 \over ab}\)

\({x \over 8}⋅{7 \over y}={7x \over 8y}\)

\(-{9 \over 2}⋅p=-{9p \over 2}\)

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

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