Question

what should be subtracted from -3/4 to get 5/6 ?

Answer 1

Let the number that should be subtracted from
$\frac{ - 3}{4} \: be \: x$
Hence,
$\frac{ - 3}{4} - x = \frac{5}{6} \\ - x = \frac{5}{6} + \frac{3}{4} \\ - x = \frac{(5 \times 4) + (3 \times 6)}{(6 \times 4)} \\ - x = \frac{20 + 18}{24} \\ - x = \frac{38}{24} \\ - x = \frac{19}{12} \\ x = - \frac{19}{12}$
Ans:
$- \frac{19}{12} \: should \: be \: subtracted \: from \: - \frac{3}{4} \: to \: get \: \frac{5}{6} .$


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