Mathematics for IGCSE & O level - Ratio And Proportion (Section 2 - No. 36)
What are the correct steps to simplify ratios?
Find the greatest common factor (GCF) of the numbers in the ratio.
Divide each number in the ratio by the GCF.
Multiply each number in the ratio by the GCF.
Ensure both parts of the ratio are expressed in the same units
Explanation
A ratio must have units consistent. To simplify, find GCF of the ratio values and divide by it.