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Integers — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSIntegers1 Mark
MCQ
Mark $(\checkmark)$ against the correct answer in the following: What should be subtracted from $\frac{-2}{7}$ to get $\frac{3}{4}?$
  • ✓
    $\frac{-17}{12}$
  • B
    $\frac{17}{12}$
  • C
    $\frac{-12}{17}$
  • D
    $\frac{-12}{17}$
✓

Answer

Correct option: A.
$\frac{-17}{12}$

 Let the number to be subtracted be $x$
$\Rightarrow\text{x}=\frac{-2}{3}-\frac{3}{4}$
$LCM$ of $3$ and $4$ is $12$
$=\frac{-8-9}{12}$
$\frac{-17}{12}$

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