Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Updated On: 11-9-2020

Apne doubts clear karein ab Whatsapp par bhi. Try it now.

CLICK HERE

Loading DoubtNut Solution for you

Watch 1000+ concepts & tricky questions explained!

53.4 K+

2.7 K+

**Introduction**

**RATIONAL NUMBER A number of the form `p/q` or a number which can be expressed in the form `p/q` where `pa and q` are integers and `q != 0` is called a rational number.**

**LOWEST FORM OF A RATIONAL NUMBER A rational number `p/q` is said to be in the lowest form or simplest form if `p and q` have no common factor other than 1.**

**EQUALITY OF RATIONAL NUMBERS Two rational numbers `p/q and r/s` are equal if `p xx s = q xx r`.**

**Rational numbers with same denominators**

**Numbers with distinct denominators**

**CLOSURE PROPERTY The sum of any two rational numbers is always a rational number.**

**COMMUTATIVITY The addition of rational numbers is commutative**

**ASSOCIATIVITY The addition of rational numbers is associative**

**Simplify : `(-3)/(10) + 7/(15) + 3/(-20) + (-9)/(10) + (13)/(15) + (13)/(-20)`**