Question 1

How do I simplify a ratio?

Accepted Answer

Divide both terms by their greatest common divisor (GCD).

Question 2

How do I solve a proportion?

Accepted Answer

Use cross-multiplication: a:b = c:d implies a*d = b*c.

Question 3

How do I scale a ratio to a total?

Accepted Answer

Find the sum of parts and multiply each part by total/sum to get part-to-whole amounts.

Question 4

How do I convert between fractions and ratios?

Accepted Answer

a:b equals a/b; multiply or divide both terms to scale.

Question 5

What about mixing problems?

Accepted Answer

Use ratios to maintain proportions when combining ingredients or solutions.

Ratio Calculator — Proportion & Ratio Solver