GCSE Maths (AQA)
435 videos | 33 hours
Please subscribe to watch this video.
This, and all other videos, are included in our premium subscriptions.
Premium accounts get access to all videos.
Enable autoplay to keep watching
Your browser is blocking videos from playing automatically. To turn it back on:
Safari (Mac): Click the Safari menu item in the top bar, then Settings → Websites → Auto-Play, then set Auto-Play to Allow All Auto-Play for the current website.
Safari (iPhone/iPad): open the Settings app, then Apps → Safari → Auto-Play, and select Allow All Auto-Play.
Number
Structure and Calculation
Adding & Subtracting Fractions
7:57
Fraction Calculations
Spec
N2
N8
- Fractions can be added together when their denominators are the same
- To add fractions with different denominators, find the lowest common multiple of the denominators
- Multiply the numerators and denominators by the same number to make the denominators the same
- Add the numerators and keep the denominator the same
- Simplify the fraction if possible by dividing the numerator and denominator by their greatest common factor
- The same principles apply for subtracting fractions with different denominators
Please subscribe to access these revision notes.
This, and all other video notes, are included in our premium subscriptions.
Premium accounts get access to all videos and revision notes.
Report an Issue
Spotted something wrong? Let us know and we'll take a look.