HSC Together Year 12 Maths Standard: Calculations with Ratios

#### Maths Standard

• Simultaneous Linear Equations
• Non-linear Relationships
• Non-Right Angled Trigonometry
• Rates and Ratios
• Investments and Loans
• Annuities
• Bivariate Data Analysis
• The Normal Distribution
• Network Concepts
• Critical Path Analysis
• Back to other subjects
Back to other subjects

# Calculations with Ratios

### What are ratios?

ratio is used to compare amounts of the same unit in a definite order. The following videos will explain how ratios work, how to simplify ratios and how to find the Greatest Common Factor (GCF) and a range of calculations with ratios in HSC Standard Math.

The following video introduces what ratios are.

### How to simplify ratios

The following video calculates ratios by simplifying them with a HSC example.

### How to find the Greatest Common Factor

Often it helps to solve ratios if you know how to find the greatest common factor. The following video explains how to do so.

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