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Divide an Even Whole Number Mixed Fraction by Two

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1:04
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This Makes Fractions Stupid Easy

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What happens here

The video introduces a quick method for finding half of a fraction (mixed number) for practical application, such as in the field. The first example demonstrated is finding half of the mixed number '10 5/8'. To achieve this, first, the whole number '10' is divided by '2', resulting in '5'. The numerator '5' from the original fraction is kept the same. The denominator '8' from the original fraction is then multiplied by '2', yielding '16'. Combining these results, half of '10 5/8' is '5 5/16'.

Goal: Find half of a mixed number where the whole number is even.

Tools and materials

  • Marker — Writing down the numbers and calculations on the whiteboard
  • Whiteboard Unbranded — Visual demonstration of the calculation steps
  • Mixed Number — The fraction being divided

What they say

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Here's how to find half a fraction when you guys are out in the field. Let's get after it. Say you got 10 and 5/8. Divide the 10 by two. You get five. Keep your numerator the same. Keep it a five. Take that little two here. Add that little two here. You got 16, right? Cuz 8 * 2 is 16. So, half of 10 and 5/8 is 5 and 5/16. Easy day.

Auto-generated from the video audio.