Combining Ratio

Ratio:

1 minute video showing how to combine ratios when one of the items forms the overlap. This video is aimed at KS3 maths (School years 7-9 [UK]) although it solidifies useful ideas which can also be seen at GCSE.Combining ratios also recaps skills of finding the lowest common multiple which can be seen in topics such as addition of fractions.

In a nutshell:
When given two separate ratios that you want to combine, find the LCM of the link number…Then join the ratios together!

Resources to check out and follow up with:

Next videos will be on perfecting the basics of algebra. Mini-series for Green (KS3) algebra starting next week. Follow, like, and subscribe to Mark-A-Minute on all of the socials ;)
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