Question

subtract -8/44 from -17/11​

Answer 1

$(- 17 \div 11) - ( - 8 \div 44)$

We need to make the denominators same.

Therefore, we will take the LCM of the denominaters. LCM of 11 and 44 is 44.

So to make denominator of (-17/11) into 44, we need to multiply 11×4.

It is a rule that if we multiply the denominator, then we need to multiply the same no. in numerator. So,

$( \frac{ - 17 \times 4}{11 \times 4} ) - ( \frac{ - 8 \times 1}{44 \times 1} )$

$= ( \frac{ - 68}{44}) - ( \frac{ - 8}{44} )$

If numerator are same, then we can subtract it.

$\frac{ - 68 - ( - 8)}{44}$

$\frac{ - 68 + 8}{44}$

$\frac{ - 60}{44}$

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