\({6 \over 8p}+{4 \over 8p}={10 \over 8p}={5 \over 4p}\)

\({5 \over x}-{7 \over 3x}={15 \over 3x}-{7 \over 3x}={8 \over 3x}\)

\({3 \over 8a}+{6 \over 7b}={21b \over 56ab}+{48a \over 56ab}={21b+48a \over 56ab}\)

\(9+{5 \over 6a}={9 \over 1}+{5 \over 6a}={54a \over 6a}+{5 \over 6a}={54a+5 \over 6a}\)

\({7x \over y}-{8 \over 6y}={42x \over 6y}-{8 \over 6y}={42x-8 \over 6y}={21x-4 \over 3y}\)

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

\({p \over 8p}={1 \over 8}\)

\({8a \over -12a}=-\frac{2}{3}\)

\({12x \over -2x}=-6\)

\({14ab \over 16ac}={7b \over 8c}\)

\({-25y \over -30xy}={5 \over 6x}\)

\({16abc \over 4bc}=4a\)

\({5ab \over b}+{6ac \over c}=5a+6a=11a\)

\(7x+{8 \over 5x}={7x \over 1}⋅{5x \over 5x}+{8 \over 5x}={35x^2 \over 5x}+{8 \over 5x}={35x^2+8 \over 5x}\)

\({3q \over 6p}+{5p \over 9q}={9q^2 \over 18pq}+{10p^2 \over 18pq}={10p^2+9q^2 \over 18pq}\)

\({8 \over a}⋅{5 \over b}={40 \over ab}\)

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

\({3 \over 5}⋅a={3a \over 5}\)

\({7b \over a}⋅{a-8 \over 4}={7b(a-8) \over 4a}={7ab-56b \over 4a}\)

\({5 \over a}:{8 \over b}={5 \over a}⋅{b \over 8}={5b \over 8a}\)

\(-{6 \over 5}:x=-{6 \over 5}:{x \over 1}=-{6 \over 5}⋅{1 \over x}=-{6 \over 5x}\)

\(-{1 \over 7}:{x-9y \over y}=-{1 \over 7}⋅{y \over x-9y}=-{y \over 7(x-9y)}=-{y \over 7x-63y}\)

\({9p \over 7}+{p+1 \over 8}={72p \over 56}+{7(p+1) \over 56}={72p+7(p+1) \over 56}={79p+7 \over 56}\)

\({2x^2+5x-8 \over x^2}={2x^2 \over x^2}+{5x \over x^2}-{8 \over x^2}=2+{5 \over x}-{8 \over x^2}\)