Answer:
c = ab/a+b
Step-by-step explanation:
Let's solve for c.
1/a + 1/b = 1/c
Step 1: Multiply both sides by ab.
a + b = ab/c
Step 2: Multiply both sides by c.
ac + bc = ab
Step 3: Factor out variable c.
c(a + b) = ab
Step 4: Divide both sides by a+b.
c(a+b)/a+b = ab/a+b
