Question

MATHS

Q-1 write the additive inverse of:

$\frac{ - 2}{9}$
Q-2 compare :

$\frac{2}{9} ( \: ) \frac{14}{17}$
Q-3 write the multiplicate inverse of :

$\frac{ - 9}{19}$
Q-4 verify whether the given rational numbers are suitable under commutative property :

$( \frac{2}{3} \: \frac{ - 3}{4} )$
Q-5 solve using distributive property :

$\frac{ - 7}{5} \times ( \frac{3}{14} + \frac{2}{21} )$
Q-6 simplify :

$a) \frac{ - 9}{36} \div \frac{ - 5}{10}$
$b) \frac{ - 3}{13} + ( \frac{ - 4}{26} )$








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Answer 1

Answer:

1. -9/2
2. <
3. 9/19
4. (2/3 - 3/4) = -1/12 and (-3/4 + 2/3) = -1/12. so they were suitable for commutative property.
5. ⇒ (-7/5 × 3/14) + (-7/5 × 2/21)  ⇒ -3/10 - 2/15  ⇒ -13/30
6. a) 1/2   b) -5/13