Question

4/7 - 1/28= ? all formula​

Answer 1

4/7 - 1/28 =16-1/18=15/28

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Answer 2

First we have to find the LCM of the denominators because they are not equal .

LCM if 7 and 28 = 28

Now we have to make their denominators 28

=

$\frac{4}{7} \times 4 = \frac{16}{28}$

=

$\frac{1}{28} \times 1 = \frac{1}{28}$

=

$\frac{16}{28} - \frac{1}{28}$

=

$\frac{15}{28}$

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