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Sagot :
Since both fractions have the same denominator, we can subtract them. We only need to subtract the numerators, or the top numbers. 7-4=3. We now have the fraction [tex]1 \frac{3}{9} [/tex]But 3 is a multiple of 9. We can divide both 3 and 9 by three. 3÷3=1. 9÷3=3. We just reduced the fraction. [tex]1 \frac{1}{3} [/tex]That would be the fraction in simplest form.
This is how I solve mines. It might be different from how others solve it.
[tex] \frac{(1)(7)}{9} - \frac{4}{9} \\ \\ \frac{7}{9} - \frac{4}{9} = \frac{1}{3} [/tex]
[tex] \frac{(1)(7)}{9} - \frac{4}{9} \\ \\ \frac{7}{9} - \frac{4}{9} = \frac{1}{3} [/tex]
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