Practice problem
Write 4xy+12y\frac{4}{xy}+\frac{12}{y}xy4+y12 as a single fraction in simplest form.
12x+4xy\frac{12x+4}{xy}xy12x+4
16xy\frac{16}{xy}xy16
16xy+y\frac{16}{xy+y}xy+y16
16x\frac{16}xx16
Type a concept, like “slope” or “photosynthesis”.