estimate a fraction difference using benchmark numbers 0,1/2,and 1

estimate the difference by rounding each number to 0,1/2,or 1 before subtracting

7/9-3/8=
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1 Answer

7/9=0.777777777..., thats bigger than 3/4, so round it 5u 1

3/8 kloes tu 4/8=1/2

so (7/9) -(3/8) become 1-(1/2)=1/2=0.5 =50%
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