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RP.8.2

Simplify ratios

Write a ratio in its simplest form

6 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 3–6 Core 🇬🇧 UK

GCSE Maths - What are Ratios & How to Simplify Them (Part 1) (2026/27 exams)

Cognito 203K views

Clear UK GCSE intro to ratios and how to simplify them to their lowest terms.

Jump to 0:54Simplifying Ratios 1:33Meaning of Simplified Ratios 2:14Red:Purple Marbles Example 4:07Ratios with More Than Two Values

Grade 3–7 Core 🇬🇧 UK

Writing and Simplifying a Ratio - GCSE Maths

1st Class Maths 44K views

Thorough GCSE lesson on writing and simplifying ratios, with worded and mixed-unit examples.

Jump to 1:03Simplifying a ratio (2 quantities)4:15Simplifying a ratio (3 quantities)6:40Worded question 2 (with mixed units)

Grade 2–5 Core 🇺🇸 US

Simplifying Ratios Explained | How to Simplify a Ratio | Math with Mr. J

Math with Mr. J 548K views

Friendly step-by-step walkthrough of writing ratios in simplest form using highest common factors.

Grade 3–5 Recap 🇬🇧 UK

Ratio simplifying - Corbettmaths

corbettmaths 285K views

Quick Corbettmaths refresher on simplifying a ratio in under ninety seconds.

Grade 3–6 Core 🇬🇧 UK

Writing and Simplifying Ratio

Maths Genie 156K views

Maths Genie tutorial covering writing and simplifying ratios with worked GCSE examples.

Grade 3–6 Core 🇦🇺 Australia

How to Simplify Ratios

tecmath 563K views

Popular clear walkthrough working through several simplifying-ratio examples with common factors.