What is the sum of the rational numbers 2-5 and -3-7 -

The correct option is C 1/352/5 + 3/7 ⇒14 15/35 [LCM of 5 and 7 is 35] ⇒ 1/35 ...

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Byju's Answer

Standard VI

Mathematics

LCM

What is the s...

Question

What is the sum of the rational numbers $\frac{2}{5}$ and $\frac{- 3}{7}$ ?

0

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1

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\frac{1}{35}

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- \frac{1}{35}

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Solution

The correct option is D $- \frac{1}{35}$
$\frac{2}{5} + \frac{- 3}{7}$
$\Rightarrow \frac{14 - 15}{35} [LCM of 5 and 7 is 35]$
$\Rightarrow \frac{- 1}{35}$

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What is the sum of the rational numbers 25 and −37?

The correct option is D −13525+−37 ⇒14−1535 [LCM of 5 and 7 is 35] ⇒−135

What is the sum of the rational numbers $\frac{2}{5}$ and $\frac{- 3}{7}$ ?

The correct option is D $- \frac{1}{35}$
$\frac{2}{5} + \frac{- 3}{7}$
$\Rightarrow \frac{14 - 15}{35} [LCM of 5 and 7 is 35]$
$\Rightarrow \frac{- 1}{35}$