Arjun

all fractions are rational numbers but all rational numbers arent fractions

Ex 4.1

• definition
• equivalent rational numbers
• positive and negative rational numbers
• rational number in a number line
• standard form and simplest form
• comparison of rational numbers
  • lcm
  • cross multiply
• rational number between 2 rational numbers
• ascending and descending order

Ex 4.2

• operations on rational numbers - add

Ex 4.3

• additive inverse
• subtractions of rational numbers

Ex 4.4

• product of 2 rational numbers

Ex 4.5

• reciprocal of rational numbers
• division of 2 rational numbers
• multiplication of signs in rational numbers