I Give four rational numbers equivalent to- -2-7

2/7 2 × 2/7 × 2= 4/14, 2×3/7 × 3= 6/21 2× 4/7 × 4= 8/28, 2× 5/7 × 5= 10/35 Therefore, four equivalent rational numbers are 4/14, 6/21, 8/28, 10/35 ...

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Standard VII

Mathematics

Equivalent Rational Numbers

i Give four r...

Question

Give four rational numbers equivalent to:
$\frac{- 2}{7}$

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Solution

Given $\frac{- 2}{7}$
$\frac{- 2 \times 2}{7 \times 2} = \frac{- 4}{14}, \frac{- 2 \times 3}{7 \times 3} = \frac{- 6}{21}, \frac{- 2 \times 4}{7 \times 4} = \frac{- 8}{28}, \frac{- 2 \times 5}{7 \times 5} = \frac{- 10}{35}$
Therefore, four equivalent rational numbers are $\frac{- 4}{14}, \frac{- 6}{21}, \frac{- 8}{28}, \frac{- 10}{35}$

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Equivalent Rational Numbers

Standard VII Mathematics

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Give four rational numbers equivalent to: −27

Given −27 −2×27×2=−414,−2×37×3=−621,−2×47×4=−828,−2×57×5=−1035 Therefore, four equivalent rational numbers are −414,−621,−828,−1035

Give four rational numbers equivalent to:
$\frac{- 2}{7}$