Multiply by fractions (fraction of)
Multiplying by a fraction always means finding that fraction of the quantity
Here it is half of 1/2 , or 1/2× 1/2
1. What is a half of 1/2?( You can see it by putting the quarter strip next to the half strip)
12×12\frac{1}{2}\times\frac{1}{2}\\21×21
=1×12×2=\frac{1\times1}{2\times 2}=2×21×1
=14=\frac{1}{4}=41
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