\({4 \over 6p}+{7 \over 6p}={11 \over 6p}\)

\({6 \over a}+{3 \over 5a}={30 \over 5a}+{3 \over 5a}={33 \over 5a}\)

\({5 \over 3a}+{9 \over 8b}={40b \over 24ab}+{27a \over 24ab}={40b+27a \over 24ab}\)

\(9-{3 \over 7x}={9 \over 1}-{3 \over 7x}={63x \over 7x}-{3 \over 7x}={63x-3 \over 7x}\)

\(3x-{8 \over 9x}={3x \over 1}⋅{9x \over 9x}-{8 \over 9x}={27x^2 \over 9x}-{8 \over 9x}={27x^2-8 \over 9x}\)

\({8x \over y}-{3 \over 4y}={32x \over 4y}-{3 \over 4y}={32x-3 \over 4y}\)

\({2q \over 8p}-{7p \over 6q}={6q^2 \over 24pq}-{28p^2 \over 24pq}={-28p^2+6q^2 \over 24pq}={-14p^2+3q^2 \over 12pq}\)

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

\({a \over 3a}={1 \over 3}\)

\({-20x \over 24x}=-\frac{5}{6}\)

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

\({-8xy \over 12xz}=-{2y \over 3z}\)

\({-25b \over 35ab}=-{5 \over 7a}\)

\({30pqr \over -5qr}=-6p\)

\({6xy \over y}+{4xz \over z}=6x+4x=10x\)

\({3 \over p}⋅{6 \over q}={18 \over pq}\)

\({a \over 9}⋅{4 \over b}={4a \over 9b}\)

\({1 \over 3}⋅a={a \over 3}\)

\({9 \over x}:{6 \over y}={9 \over x}⋅{y \over 6}={9y \over 6x}={3y \over 2x}\)

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